question_answer 1)
\[AgCl\] is soluble in \[N{{H}_{4}}OH\] solution. The solubility is due to formation of
A)
\[AgOH\] done
clear
B)
\[A{{g}_{2}}O\] done
clear
C)
\[{{[Ag{{(N{{H}_{3}})}_{2}}]}^{+}}\] done
clear
D)
\[N{{H}_{4}}Cl\] done
clear
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question_answer 2)
In which of the following coordinate compounds the central metal atom obeys the EAN rule.
A)
\[{{K}_{3}}[Fe{{\left( CN \right)}_{6}}]\] done
clear
B)
\[{{K}_{4}}[Fe{{\left( CN \right)}_{6}}]\] done
clear
C)
\[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\] done
clear
D)
All of these done
clear
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question_answer 3)
Which of the following complex will show geometrical as well as optical isomerism (en=ethylenediammine)
A)
\[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\] done
clear
B)
\[[Pt\left( en \right)C{{l}_{4}}]\] done
clear
C)
\[{{[Pt{{(en)}_{3}}]}^{4+}}\] done
clear
D)
\[[Pt{{(en)}_{2}}C{{l}_{2}}]\] done
clear
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question_answer 4)
The total number of possible isomers of the complex compound \[[C{{u}^{II}}{{(N{{H}_{3}})}_{4}}][P{{t}^{II}}C{{l}_{4}}]\] is
A)
3 done
clear
B)
6 done
clear
C)
5 done
clear
D)
4 done
clear
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question_answer 5)
Which of the following will give maximum number of isomers?
A)
\[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]\] done
clear
B)
\[{{[Ni(en){{(N{{H}_{3}})}_{4}}]}^{2+}}\] done
clear
C)
\[[Ni{{({{C}_{2}}{{O}_{4}})}_{4}}{{(en)}_{2}}]\] done
clear
D)
\[{{[Cr{{(SCN)}_{2}}{{(N{{H}_{3}})}_{4}}]}^{2+}}\] done
clear
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question_answer 6)
Which of the following will exhibit maximum ionic conductivity?
A)
\[{{K}_{4}}[Fe{{(CN)}_{6}}]\] done
clear
B)
\[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\] done
clear
C)
\[[Cu{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]\] done
clear
D)
\[[Ni{{(CO)}_{4}}]\] done
clear
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question_answer 7)
\[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\] and \[{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{4-}}\] differ in:
A)
geometry, magnetic moment done
clear
B)
geometry, hybridization done
clear
C)
magnetic moment, colour done
clear
D)
hybridization, number of d-electrons done
clear
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question_answer 8)
Which of the following complexes have a maximum number of unpaired electrons?
A)
\[[Ni{{\left( CO \right)}_{4}}]\] done
clear
B)
\[{{[Co{{\left( N{{H}_{3}} \right)}_{4}}{{\left( N{{O}_{2}} \right)}_{2}}]}^{+}}\] done
clear
C)
\[{{\left[ Ag{{\left( CN \right)}_{2}} \right]}^{-}}\] done
clear
D)
\[{{\left[ CuB{{r}_{4}} \right]}^{2-}}\] done
clear
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question_answer 9)
The degeneracy of d-orbitals is lost under:
(I) Strong field ligand
(II) Weak field ligand
(III) Mixed field ligand
(IV) Chelated ligand field
A)
I, II and IV done
clear
B)
I and II done
clear
C)
I, II, III and IV done
clear
D)
I, II and III done
clear
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question_answer 10)
What is the magnetic moment (spin only) and hybridisation of the brown ring complex \[\left[ Fe{{\left( {{H}_{2}}O \right)}_{5}}NO \right]S{{O}_{4}}\]?
A)
\[\sqrt{3}BM,s{{p}^{3}}{{d}^{2}}\] done
clear
B)
\[\sqrt{3}BM,{{d}^{2}}s{{p}^{3}}\] done
clear
C)
\[\sqrt{15}BM,s{{p}^{3}}{{d}^{2}}\] done
clear
D)
\[\sqrt{15}BM,{{d}^{2}}s{{p}^{3}}\] done
clear
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question_answer 11)
\[M{{n}^{2+}}\] forms a complex with \[B{{r}^{-}}\] ion. The magnetic moment of the complex is 5.92 B.M. What would be the probable formula and geometry of the complex?
A)
\[{{[MnB{{r}_{6}}]}^{4-}}\], octahedral done
clear
B)
\[{{[MnB{{r}_{4}}]}^{2-}}\], square planar done
clear
C)
\[{{[MnB{{r}_{4}}]}^{2-}}\], tetrahedral done
clear
D)
\[{{[MnB{{r}_{5}}]}^{3-}}\], trigonal bipyramidal done
clear
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question_answer 12)
The complex given is
(i) non-superimposable on its mirror images (ii) optically active (iii) rotate plane polarised light (iv) planar
A)
(i) and (ii) done
clear
B)
(i) and (iv) done
clear
C)
(i),(ii) and (iii) done
clear
D)
(ii) only done
clear
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question_answer 13)
\[[Co{{(N{{H}_{3}})}_{4}}{{(N{{O}_{2}})}_{2}}]Cl\] exhibits
A)
linkage isomerism, ionization isomerism and geometrical isomerism done
clear
B)
ionization isomerism, geometrical isomerism and optical isomerism done
clear
C)
linkage isomerism, geometrical isomerism and optical isomerism done
clear
D)
linkage isomerism, ionization isomerism and optical isomerism done
clear
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question_answer 14)
Coordination number of Cr is six. A complex with\[{{C}_{2}}O_{4}^{2-}\], en and superoxide \[O_{2}^{-}\] will be in the ratio to make complex \[{{[Cr{{({{C}_{2}}{{O}_{4}})}_{x}},{{(en)}_{y}}{{({{O}_{2}})}_{z}}]}^{-}}\]
A)
x-1 y-1 z-1 done
clear
B)
x-1 y-1 z-2 done
clear
C)
x-1 y-2 z-2 done
clear
D)
x-2 y-1 z-1 done
clear
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question_answer 15)
For complex ion/compound formation reactions
(I) \[C{{o}^{3+}}(aq)+EDT{{A}^{4-}}\xrightarrow{{}}P\]
(II) \[N{{i}^{2+}}\left( aq \right)+dmg\left( excess \right)\xrightarrow{N{{H}_{4}}OH}Q\]
(III) \[Z{{n}^{2+}}\left( aq \right)+gly\left( excess \right)\xrightarrow{{}}R\]
(IV) \[P{{t}^{4+}}(aq)+en\,(excess)\xrightarrow{{}}S\]
which of the following complex ion/compound does not exhibit optical activity?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer 16)
The diamagnetic species is:
(I)\[{{\left[ Cu{{\left( CN \right)}_{4}} \right]}^{3-}}\] (II) \[{{\left[ Co{{\left( N{{H}_{3}} \right)}_{6}} \right]}^{3+}}\] (III) \[{{\left[ Ni{{\left( N{{H}_{3}} \right)}_{6}} \right]}^{2+}}\] (IV) \[{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{3-}}\]
A)
I, III done
clear
B)
I, II done
clear
C)
III, IV done
clear
D)
only IV done
clear
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question_answer 17)
Which of the following order of stability of complex ion is Incorrect?
A)
\[{{[Fe{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}<{{[Fe{{({{H}_{2}}O)}_{6}}]}^{3+}}\] done
clear
B)
\[{{[Fe(edta)]}^{-}}>{{[Fe{{(en)}_{3}}]}^{3+}}\] done
clear
C)
\[{{\left[ Ni{{\left( en \right)}_{2}} \right]}^{2+}}>\left[ Ni{{\left( dmg \right)}_{2}} \right]\] done
clear
D)
\[{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{3-}}>{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{4-}}\] done
clear
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question_answer 18)
The pair in which both species have same magnetic moment (spin only value) is
A)
\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[CoC{{l}_{4}}]}^{2-}}\] done
clear
B)
\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
C)
\[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
D)
\[{{[CoC{{l}_{4}}]}^{2-}},{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
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question_answer 19)
In which complex, \[{{d}_{z}}2\] orbital of inner shell is not used in the hybridization of central metal cation
A)
\[Fe{{\left( CO \right)}_{5}}\] done
clear
B)
\[{{[Cu{{(N{{H}_{3}})}_{5}}]}^{2+}}\] done
clear
C)
\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{2+}}\] done
clear
D)
\[{{[Ir{{F}_{6}}]}^{3-}}\] done
clear
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question_answer 20)
Which of the characteristic is not common between \[{{[Cu{{(en)}_{2}}]}^{2+}}\] and \[[Ni{{(dmg)}_{2}}]\]?
A)
Geometry of comp lexes done
clear
B)
Hybridization of central metal cation done
clear
C)
Magnetic behaviour done
clear
D)
Number of stereoisomers done
clear
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question_answer 21)
In which of the following complex hybridization of central metal is not same as that of donor atom of ligand
A)
\[\left[ Ni{{\left( P{{F}_{3}} \right)}_{4}} \right]\] done
clear
B)
\[\left[ Fe{{\left( dmg \right)}_{2}} \right]\] done
clear
C)
\[{{[Zn\,{{(en)}_{2}}]}^{2+}}\] done
clear
D)
\[{{\left[ Ni{{\left( PM{{e}_{3}} \right)}_{4}} \right]}^{2+}}\] done
clear
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question_answer 22)
Which of the following complex compound (s) is/are paramagnetic and low spin?
(I) \[{{K}_{3}}\left[ Fe\left( C{{N}_{6}} \right) \right]\]
(II) \[{{\left[ Ni{{\left( CO \right)}_{4}} \right]}^{10}}\]
(III) \[{{\left[ Cr{{(N{{H}_{3}})}_{6}} \right]}^{3+}}\]
(IV) \[{{\left[ Mn\,(C{{N}_{6}}) \right]}^{4\,-}}\]
Choose the correct code:
A)
I only done
clear
B)
II and III done
clear
C)
I and IV done
clear
D)
IV only done
clear
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question_answer 23)
An aqueous solution of titanium chloride, when subjected to magnetic measurement, measured zero magnetic moment. Assuming the octahedral complex in aqueous solution, the formulae of the complex is:
A)
\[\left[ Ti{{\left( {{H}_{2}}O \right)}_{6}} \right]C{{l}_{2}}\] done
clear
B)
\[\left[ Ti{{\left( {{H}_{2}}O \right)}_{6}} \right]C{{l}_{4}}\] done
clear
C)
\[\left[ TiC{{l}_{3}}{{\left( {{H}_{2}}O \right)}_{3}} \right]\] done
clear
D)
\[\left[ TiC{{l}_{2}}{{\left( {{H}_{2}}O \right)}_{4}} \right]\] done
clear
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question_answer 24)
For octahedral complex, which of the following \[{{d}^{n}}\] configurations of metal cation cannot exist in high spin and low spin forms?
A)
\[{{d}^{3}}\] and \[{{d}^{8}}\] done
clear
B)
\[{{d}^{3}}\] and \[{{d}^{5}}\] done
clear
C)
\[{{d}^{3}}\] and \[{{d}^{6}}\] done
clear
D)
\[{{d}^{4}}\] and \[{{d}^{8}}\] done
clear
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question_answer 25)
Which of the following statement is not true for the reaction given below? \[{{\left[ Cu\,{{({{H}_{2}}O)}_{4}} \right]}^{2+}}+4N{{H}_{3}}\rightleftharpoons {{\left[ Cu{{(N{{H}_{3}})}_{4}} \right]}^{2+}}+4{{H}_{2}}O\]
A)
It is a ligand substitution reaction done
clear
B)
\[N{{H}_{3}}\] is relatively strong field ligand while \[{{H}_{2}}O\] is a weak field ligand done
clear
C)
During the reaction, there is a change in colour form light blue to dark blue done
clear
D)
\[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\] has tetrahedral structure and is paramagnetic done
clear
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question_answer 26)
The d-electron configurations of \[C{{r}^{2+}},M{{n}^{2+}},F{{e}^{2+}}\] and \[C{{o}^{2+}}\] are \[{{d}^{4}},{{d}^{5}},{{d}^{6}}\] and \[{{d}^{7}}\] respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no.\[Cr=24,Mn=25,Fe=26,Co=27\]).
A)
\[{{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
B)
\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
C)
\[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
D)
\[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
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question_answer 27)
An octahedral complex with molecular composition M.5 \[N{{H}_{3}}.Cl.S{{O}_{4}}\] has two isomers, A and B. The solution of A gives a white precipitate with \[AgN{{O}_{3}}\] solution and the solution of B gives white precipitate with \[BaC{{l}_{2}}\] solution. The type of isomerism exhibited by the complex is:
A)
Linkage isomerism done
clear
B)
lonisation isomerism done
clear
C)
Coordinate isomerism done
clear
D)
Geometrical isomerism done
clear
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question_answer 28)
Type of isomerism which exists between \[[Pd{{({{C}_{6}}{{H}_{5}})}_{2}}{{(SCN)}_{2}}]\] and \[[Pd{{({{C}_{6}}{{H}_{5}})}_{2}}{{(NCS)}_{2}}]\] is:
A)
Linkage isomerism done
clear
B)
Coordination isomerism done
clear
C)
lonisation isomerism done
clear
D)
Solvate isomerism done
clear
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question_answer 29)
Which of the following complex ions will exhibit optical isomerism? (en = 1, 2-diamine ethane).
A)
\[{{[Cr{{\left( N{{H}_{3}} \right)}_{2}}C{{l}_{2}}]}^{+}}\] done
clear
B)
\[{{[Co{{\left( en \right)}_{2}}C{{l}_{2}}]}^{+}}\] done
clear
C)
\[{{[Co{{\left( N{{H}_{3}} \right)}_{4}}C{{l}_{2}}]}^{+}}\] done
clear
D)
\[{{[Zn{{\left( en \right)}_{2}}]}^{2+}}\] done
clear
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question_answer 30)
The complex ion \[{{[Pt(N{{O}_{2}})(Py)(N{{H}_{3}}){{(NH)}_{2}}(N{{H}_{2}}OH)]}^{+}}\] will give
A)
2 isomers (Geometrical) done
clear
B)
3 isomers (Geometrical) done
clear
C)
6 isomers (Geometrical) done
clear
D)
4 isomers (Geometrical) done
clear
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question_answer 31)
Which of the following complex ions has electrons that are symmetrically filled in both \[{{t}_{2g}}\] and \[{{e}_{g}}\] orbitals?
A)
\[{{[Fe{{F}_{6}}]}^{3-}}\] done
clear
B)
\[{{[Mn{{(CN)}_{6}}]}^{4-}}\] done
clear
C)
\[{{\left[ Co{{F}_{6}} \right]}^{3-}}\] done
clear
D)
\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{2+}}\] done
clear
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question_answer 32)
In \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\], the number of covalent bonds is
A)
3 done
clear
B)
6 done
clear
C)
9 done
clear
D)
18 done
clear
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question_answer 33)
The unpaired electrons in \[Ni{{\left( CO \right)}_{4}}\] are
A)
zero done
clear
B)
one done
clear
C)
three done
clear
D)
four done
clear
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question_answer 34)
The shape of \[{{\left[ Cu{{(N{{H}_{3}})}_{4}} \right]}^{2+}}\] is
A)
tetrahedral done
clear
B)
square planar done
clear
C)
pyramidal done
clear
D)
octahedral done
clear
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question_answer 35)
Consider the following complex\[\left[ Co{{\left( N{{H}_{3}} \right)}_{5}}C{{O}_{3}} \right]Cl{{O}_{4}}\] The coordination number, oxidation number, number of d-electrons and number of unpaired d-electrons on the metal are respectively
A)
6,3,6,0 done
clear
B)
7,2,7,1 done
clear
C)
7,1,6,4 done
clear
D)
6,2,7,3 done
clear
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question_answer 36)
Which of the following statements is incorrect?
A)
\[{{\left[ MnC{{l}_{6}} \right]}^{3-}}\] is more paramagnetic than \[{{\left[ Mn{{\left( CN \right)}_{6}} \right]}^{3-}}\] done
clear
B)
Both \[{{[Co{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\]and \[{{[Co{{F}_{6}}]}^{3-}}\]are paramagnetic. done
clear
C)
\[{{[Fe{{(CN)}_{6}}]}^{3-}}\] forms inner orbital complex whereas \[{{\left[ Fe{{F}_{6}} \right]}^{3-}}\] forms outer orbital complex. done
clear
D)
Both [a] and [b] done
clear
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question_answer 37)
Which of the following statements related to crystal field splitting in octahedral coordination entities is incorrect?
A)
The \[d{{x}^{2}}-{{y}^{2}}\] and \[d{{z}^{2}}\] orbitals has more energy as compared to \[{{d}_{xy}},{{d}_{yz}}\] and \[{{d}_{xz}}\] orbitals. done
clear
B)
Crystal field splitting energy \[({{\Delta }_{o}})\] depends directly on the charge of the metal ion and on the field produced by the ligand. done
clear
C)
In the presence of \[B{{r}^{-}}\] as a ligand the distribution of electrons for \[{{d}^{4}}\] configuration will be \[t_{{{2}_{g}}}^{3},e_{g}^{1},\] done
clear
D)
In the presence of \[C{{N}^{-}}\] as a ligand \[{{\Delta }_{o}}<P\]. done
clear
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question_answer 38)
For the reaction of the type \[M+4L\rightleftharpoons M{{L}_{4}}\]
A)
larger the stability constant, lower the proportion of \[M{{L}_{4}}\] that exists in solution done
clear
B)
larger the stability constant, higher the proportion of \[M{{L}_{4}}\] that exists in solution done
clear
C)
smaller the stability constant, higher the proportion of \[M{{L}_{4}}\] that exists in solution done
clear
D)
None of the above done
clear
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question_answer 39)
An octahedral complex of \[C{{o}^{3+}}\] is diamagnetic. The hybridisation involved in the formation of the complex is:
A)
\[s{{p}^{3}}{{d}^{2}}\] done
clear
B)
\[ds{{p}^{2}}\] done
clear
C)
\[{{d}^{2}}s{{p}^{3}}\] done
clear
D)
\[s{{p}^{3}}d\] done
clear
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question_answer 40)
The correct statement about the magnetic properties of \[{{[Fe{{\left( CN \right)}_{6}}]}^{3-}}\] and \[{{[Fe{{F}_{6}}]}^{3-}}\] is \[\left( Z=26 \right):\]
A)
both are paramagnetic. done
clear
B)
both are diamagnetic. done
clear
C)
\[{{[Fe{{\left( CN \right)}_{6}}]}^{3-}}\] is diamagnetic, \[{{[Fe{{F}_{6}}]}^{3-}}\] is paramagnetic. done
clear
D)
\[{{[Fe{{\left( CN \right)}_{6}}]}^{3-}}\] is paramagnetic, \[{{[Fe{{F}_{6}}]}^{3-}}\] is diamagnetic. done
clear
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question_answer 41)
Consider the coordination compound\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]. In the formation of this complex, the species which acts as the Lewis acid is:
A)
\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] done
clear
B)
\[C{{l}^{-}}\] done
clear
C)
\[C{{o}^{3+}}\] done
clear
D)
\[N{{H}_{3}}\] done
clear
View Solution play_arrow
question_answer 42)
Among the following species the one which causes the highest \[CFSE,{{\Delta }_{o}}\] as a ligand is:
A)
\[C{{N}^{-}}\] done
clear
B)
\[~N{{H}_{3}}\] done
clear
C)
\[{{F}^{-}}\] done
clear
D)
CO done
clear
View Solution play_arrow
question_answer 43)
Which one of the following complexes will most likely absorb visible light? (At nos. Sc=21, Ti=22, V=23, Zn=30)
A)
\[{{[Sc{{({{H}_{2}}O)}_{6}}]}^{3+}}\] done
clear
B)
\[{{[Ti{{(N{{H}_{3}})}_{6}}]}^{4+}}\] done
clear
C)
\[{{[V{{(N{{H}_{3}})}_{6}}]}^{3+}}\] done
clear
D)
\[{{[Zn{{(N{{H}_{3}})}_{6}}]}^{2+}}\] done
clear
View Solution play_arrow
question_answer 44)
Incorrect match is:
A)
\[\left[ Rh{{\left( PP{{h}_{3}} \right)}_{3}}Cl \right]:\] Wilkinson's catalyst done
clear
B)
\[{{\left[ Co{{\left( CO \right)}_{4}} \right]}^{-}}:\]Bond order of \[Co-CO\] bond is greater than one done
clear
C)
\[[Zn{{\left( N{{H}_{3}} \right)}_{4}}][Be{{\left( OH \right)}_{4}}]\]: colorless complex done
clear
D)
\[{{[Cr{{\left( CN \right)}_{6}}]}^{3-}}\]: Inner orbital low spin complex done
clear
View Solution play_arrow
question_answer 45)
Which one of the following complexes is an outer orbital complex?
(Atomic nos.: Mn = 25; Fe = 26; Co = 27, Ni = 28)
A)
\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] done
clear
B)
\[{{[Mn{{(CN)}_{6}}]}^{4-}}\] done
clear
C)
\[{{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{4-}}\] done
clear
D)
\[{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}\] done
clear
View Solution play_arrow
question_answer 46)
Which is not \[\pi \] - bonded complex?
A)
Zeise's salt done
clear
B)
Ferrocene done
clear
C)
Dibenzene chromium done
clear
D)
Tetraethyl lead done
clear
View Solution play_arrow
question_answer 47)
Which of the following carbonyls will have the strongest \[C-O\] bond?
A)
\[{{[Mn{{\left( CO \right)}_{6}}]}^{+}}\] done
clear
B)
\[[Cr{{\left( CO \right)}_{6}}]\] done
clear
C)
\[{{[V{{\left( CO \right)}_{6}}]}^{-}}\] done
clear
D)
\[\left[ Fe{{\left( CO \right)}_{5}} \right]\] done
clear
View Solution play_arrow
question_answer 48)
In \[Fe{{\left( CO \right)}_{5}}\], the \[Fe-C\] bond possesses
A)
ionic character done
clear
B)
\[\sigma \]-character only done
clear
C)
\[\pi \]-character done
clear
D)
both \[\sigma \] and \[\pi \] characters done
clear
View Solution play_arrow
question_answer 49)
Which of the following does not have a metal- carbon bond?
A)
\[Al{{(O{{C}_{2}}{{H}_{5}})}_{3}}\] done
clear
B)
\[{{C}_{2}}{{H}_{5}}MgBr\] done
clear
C)
\[K\left[ Pt\left( {{C}_{2}}{{H}_{4}} \right)C{{l}_{3}} \right]\] done
clear
D)
\[Ni{{\left( CO \right)}_{4}}\] done
clear
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question_answer 50)
In the silver plating of copper, \[K[Ag{{\left( CN \right)}_{2}}]\] is used instead of\[AgN{{O}_{3}}\]. The reason is
A)
a thin layer of Ag is formed on Cu done
clear
B)
more voltage is required done
clear
C)
\[A{{g}^{+}}\] ions are completely removed from solution done
clear
D)
less availability of \[A{{g}^{+}}\] ions, as Cu cannot displace Ag from \[{{[Ag{{(CN)}_{2}}]}^{-}}\] ion. done
clear
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question_answer 51)
Pick a poor electrolytic conductor complex in solution
A)
\[{{K}_{2}}[PtC{{l}_{6}}]\] done
clear
B)
\[\left[ Co{{\left( N{{H}_{3}} \right)}_{3}} \right]{{\left( N{{O}_{2}} \right)}_{3}}\] done
clear
C)
\[{{K}_{4}}[Fe{{\left( CN \right)}_{6}}]\] done
clear
D)
\[\left[ Co{{\left( N{{H}_{3}} \right)}_{4}} \right]S{{O}_{4}}\] done
clear
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question_answer 52)
Nickel (Z=28) combines with a uninegative monodentate ligand to form a diamagnetic complex \[{{[Ni{{L}_{4}}]}^{2-}}\]. The hybridisation involved and the number of unpaired electrons present in the complex are respectively:
A)
\[s{{p}^{3}}\], two done
clear
B)
\[ds{{p}^{2}}\], zero done
clear
C)
\[ds{{p}^{2}}\], one done
clear
D)
\[s{{p}^{3}}\], zero done
clear
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question_answer 53)
Which of the following is diamagnetic?
A)
\[{{[Fe{{(CN)}_{6}}]}^{3-}}\] done
clear
B)
\[{{[Co{{(ox)}_{3}}]}^{3-}}\] done
clear
C)
\[{{\left[ Fe{{F}_{6}} \right]}^{3-}}\] done
clear
D)
\[{{[Co{{F}_{6}}]}^{3-}}\] done
clear
View Solution play_arrow
question_answer 54)
The magnetic moment of the complex anion \[{{[Cr(NO)(N{{H}_{3}}){{(CN)}_{4}}]}^{2-}}\] is:
A)
5.91 BM done
clear
B)
3.87 BM done
clear
C)
1.73 BM done
clear
D)
2.82 BM done
clear
View Solution play_arrow
question_answer 55)
In which of the following octahedral complex species the magnitude of \[{{\Delta }_{\operatorname{o}}}\] will be maximum?
A)
\[{{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
B)
\[{{\left[ Co{{\left( CN \right)}_{6}} \right]}^{3-}}\] done
clear
C)
\[{{\left[ Co{{\left( {{C}_{2}}{{O}_{4}} \right)}_{3}} \right]}^{3-}}\] done
clear
D)
\[{{[Co\,{{(N{{H}_{3}})}_{6}}]}^{3+}}\] done
clear
View Solution play_arrow
question_answer 56)
The structure of which of the following chloro species can be explained on the basis of \[ds{{p}^{2}}\]hybridization?
A)
\[{{\left[ PdC{{l}_{4}} \right]}^{2-}}\] done
clear
B)
\[{{[FeC{{l}_{4}}]}^{2-}}\] done
clear
C)
\[{{[CoC{{l}_{4}}]}^{2-}}\] done
clear
D)
\[{{\left[ NiC{{l}_{4}} \right]}^{2-}}\] done
clear
View Solution play_arrow
question_answer 57)
\[{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}en\xrightarrow{{}}X+2N{{H}_{3}}\]
\[[Ni{{\left( N{{H}_{3}} \right)}_{6}}]+2en\xrightarrow{{}}Y+4N{{H}_{3}}\]
\[[Ni{{\left( N{{H}_{3}} \right)}_{6}}+3en\xrightarrow{{}}Z+6N{{H}_{3}}\]
Which of them show optical as well as geometrical isomerism?
A)
X done
clear
B)
Y done
clear
C)
Z done
clear
D)
All of these done
clear
View Solution play_arrow
question_answer 58)
50 mL of 0.2 M solution of a compound with empirical formula \[CoC{{l}_{3}}.4N{{H}_{3}}\] on treatment with excess of \[AgN{{O}_{3}}(aq)\] yields 1.435g of\[AgCl\] Ammonia is not removed by treatment with concentrated \[{{H}_{2}}S{{O}_{4}}\]. The formula of the compound is:
A)
\[\left[ Co{{\left( N{{H}_{3}} \right)}_{4}} \right]C{{l}_{3}}\] done
clear
B)
\[\left[ Co\left( N{{H}_{3}} \right)4C{{l}_{2}} \right]Cl\] done
clear
C)
\[\left[ Co{{\left( N{{H}_{3}} \right)}_{4}} \right]C{{l}_{3}}\] done
clear
D)
\[\left[ CoC{{l}_{3}}\left( N{{H}_{3}} \right) \right]{{\left( N{{H}_{3}} \right)}_{3}}\] done
clear
View Solution play_arrow
question_answer 59)
Which of the following compounds is not coloured?
A)
\[N{{a}_{2}}[CuC{{l}_{6}}]\] done
clear
B)
\[N{{a}_{2}}[CdC{{l}_{4}}]\] done
clear
C)
\[{{K}_{4}}[Fe{{\left( CN \right)}_{6}}]\] done
clear
D)
\[{{K}_{3}}[Fe{{(CN)}_{6}}]\] done
clear
View Solution play_arrow
question_answer 60)
The geometry of \[Ni{{(CO)}_{4}}\] and \[Ni{{(PP{{h}_{3}})}_{2}}C{{l}_{2}}\] are
A)
both square planar done
clear
B)
tetrahedral and square planar done
clear
C)
both tetrahedral done
clear
D)
None of these done
clear
View Solution play_arrow
question_answer 61)
Which one is the most likely structure of \[CrC{{l}_{3}}\text{,}6{{H}_{2}}O\] if 1/3 of total chlorine of the compound is precipitated by adding \[AgN{{O}_{3}}\]
A)
\[CrC{{l}_{3}}.6{{H}_{2}}O\] done
clear
B)
\[[Cr{{\left( {{H}_{2}}O \right)}_{3}}C{{l}_{3}}].{{\left( {{H}_{2}}O \right)}_{3}}\] done
clear
C)
\[\left[ CrC{{l}_{2}}{{\left( {{H}_{2}}O \right)}_{4}} \right]Cl.2{{H}_{2}}O\] done
clear
D)
\[[CrCl{{({{H}_{2}}O)}_{5}}]C{{l}_{5}}.{{H}_{2}}O\] done
clear
View Solution play_arrow
question_answer 62)
In the complexes \[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{3+}},{{[Fe{{(CN)}_{6}}]}^{3-}}\], \[{{\left[ Fe{{\left( {{C}_{2}}{{O}_{4}} \right)}_{3}} \right]}^{3-}}\] and \[{{[FeC{{l}_{6}}]}^{3-}}\], more stability is shown by
A)
\[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{3+}}\] done
clear
B)
\[{{[Fe{{(CN)}_{6}}]}^{3-}}\] done
clear
C)
\[{{[Fe{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\] done
clear
D)
\[{{[FeC{{l}_{6}}]}^{3-}}\] done
clear
View Solution play_arrow
question_answer 63)
The d-electron configurations of \[C{{r}^{2+}},M{{n}^{2+}},F{{e}^{2+}}\] and \[C{{o}^{2+}}\] are \[{{d}^{4}},{{d}^{5}},{{d}^{6}}\] and \[{{d}^{7}}\] respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no. Cr = 24, Mn = 25, Fe= 26, Co = 27).
A)
\[{{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
B)
\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
C)
\[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
D)
\[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\] done
clear
View Solution play_arrow
question_answer 64)
The correct order of ligands in the spectrochemical series is
A)
\[C{{l}^{-}}>en>C{{N}^{-}}>NC{{S}^{-}}\] done
clear
B)
\[C{{N}^{-}}>en>NC{{S}^{-}}>C{{l}^{-}}\] done
clear
C)
\[NC{{S}^{-}}>C{{N}^{-}}>C{{l}^{-}}>en\] done
clear
D)
\[en>C{{N}^{-}}>C{{l}^{-}}>NC{{S}^{-}}\] done
clear
View Solution play_arrow
question_answer 65)
Which of the following paramagnetic ions would exhibit a magnetic moment (spin only) of the order of 5 BM? (At. Nos. Mn = 25, Cr = 24, V = 23, Ti =22)
A)
\[M{{n}^{2+}}\] done
clear
B)
\[T{{i}^{2+}}\] done
clear
C)
\[{{V}^{2+}}\] done
clear
D)
\[C{{r}^{2+}}\] done
clear
View Solution play_arrow
question_answer 66)
Square-planar geometry is shown by
A)
\[[PtC{{l}_{2}}{{(N{{H}_{3}})}_{2}}]\] done
clear
B)
\[{{[NiC{{l}_{4}}]}^{2-}}\] done
clear
C)
\[MnO_{4}^{-}\] done
clear
D)
\[CrO{{_{4}^{2-}}^{~}}\] done
clear
View Solution play_arrow
question_answer 67)
Which molecule/ion among the following cannot act as a ligand in complex compounds?
A)
\[C{{H}_{4}}\] done
clear
B)
\[CO\] done
clear
C)
\[C{{N}^{-}}\] done
clear
D)
\[B{{r}^{-}}\] done
clear
View Solution play_arrow
question_answer 68)
Which one of the following complexes will consume more equivalents of aqueous solution of \[AgN{{O}_{3}}\]?
A)
\[N{{a}_{2}}[CrC{{l}_{5}}({{H}_{2}}O)]\] done
clear
B)
\[N{{a}_{3}}[CrC{{l}_{6}}]\] done
clear
C)
\[\left[ Cr{{\left( {{H}_{2}}O \right)}_{5}}Cl \right]C{{l}_{2}}\text{ }\!\!~\!\!\text{ }\] done
clear
D)
\[\left[ Cr{{\left( {{H}_{2}}O \right)}_{6}} \right]C{{l}_{3}}\] done
clear
View Solution play_arrow
question_answer 69)
Possible isomerism in complexes \[[Co{{(N{{H}_{3}})}_{3}}{{(N{{O}_{2}})}_{3}}]\] and \[[Co{{(N{{H}_{3}})}_{5}}(N{{O}_{2}})]C{{l}_{2}}\], respectively are:
A)
Linkage and optical done
clear
B)
Geometrical and linkage done
clear
C)
Optical and ionization done
clear
D)
Linkage and geometrical done
clear
View Solution play_arrow
question_answer 70)
Which of the following statements is correct? (Atomic number of Ni = 28)
A)
\[Ni{{\left( CO \right)}_{4}}\] is diamagnetic and \[{{[NiC{{l}_{4}}]}^{2-}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are paramagnetic done
clear
B)
\[Ni{{(CO)}_{4}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are diamagnetic and \[{{[NiC{{l}_{4}}]}^{2-}}\] is paramagnetic done
clear
C)
\[Ni{{(CO)}_{4}}\] and \[{{[NiC{{l}_{4}}]}^{2-}}\] are diamagnetic and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] is paramagnetic done
clear
D)
\[{{[NiC{{l}_{4}}]}^{2-}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are diamagnetic and \[Ni{{\left( CO \right)}_{4}}\] is paramagnetic done
clear
View Solution play_arrow
question_answer 71)
For \[[C{{o}_{2}}{{(CO)}_{8}}],\] what is the total number of metal - carbon bonds and number of metal-metal bonds.
A)
10, 1 done
clear
B)
8, 2 done
clear
C)
8, 1 done
clear
D)
10, 0 done
clear
View Solution play_arrow
question_answer 72)
\[[Cr{{({{H}_{2}}O)}_{6}}]C{{l}_{3}}\] (atomic number of \[Cr=24\]) has a magnetic moment of 3.83 BM. The correct distribution of 3d-elections in the chromium present in the complex is
A)
\[3d_{xy}^{1},3d_{yz}^{1},3d_{zx}^{1}\] done
clear
B)
\[3d_{xy}^{1},3d_{yz}^{1},3d_{{{z}^{2}}}^{1}\] done
clear
C)
\[3d_{({{x}^{2}}-{{y}^{2}})}^{1},3d_{{{z}^{2}}}^{1},3d_{zx}^{1}\] done
clear
D)
\[3d_{xy}^{1},3d_{({{x}^{2}}-{{y}^{2}})}^{1},3d_{xz}^{1}\] done
clear
View Solution play_arrow
question_answer 73)
\[[NiC{{l}_{2}}{{\{P{{({{C}_{2}}{{H}_{5}})}_{2}}({{C}_{6}}{{H}_{5}})\}}_{2}}]\] exhibits temperature dependent magnetic behaviour (paramagnetic/ diamagnetic). The coordination geometries of \[N{{i}^{2+}}\] in the paramagnetic and diamagnetic states are respectively
A)
tetrahedral and tetrahedral done
clear
B)
square planar and square planar done
clear
C)
tetrahedral and square planar done
clear
D)
square planar and tetrahedral done
clear
View Solution play_arrow
question_answer 74)
Complexes \[\left[ Co{{\left( N{{H}_{3}} \right)}_{5}}S{{O}_{4}} \right]Br\] and \[\left[ Co{{\left( N{{H}_{3}} \right)}_{5}}Br \right]S{{O}_{4}}\] can be distinguished by
A)
conductance measurement done
clear
B)
using \[BaC{{l}_{2}}\] done
clear
C)
using \[AgN{{O}_{3}}\] done
clear
D)
Both [b] and [c] done
clear
View Solution play_arrow
question_answer 75)
The correct name for the complex ion \[{{[CoCl\left( ONO \right){{\left( en \right)}_{2}}]}^{+}}\] is:
A)
chlorobis (ethylenediamine) nitrito-O- cobaltate (III) ion done
clear
B)
chlorodiethyldiaminenitrito-O-cobalt (III) ion done
clear
C)
chloronitrito-O-diethyldiamine cobaltate (III) ion done
clear
D)
chlorobis (ethylenediamine) nitrito-O- cobalt (III) ion done
clear
View Solution play_arrow
question_answer 76)
Which of the following ions are optically active?
A)
I only done
clear
B)
II only done
clear
C)
II and III done
clear
D)
IV only done
clear
View Solution play_arrow
question_answer 77)
Which is not a \[\pi \]-acceptor ligand?
A)
\[{{I}_{3}}^{-}\] done
clear
B)
\[N{{O}^{+}}\] done
clear
C)
\[{{(C{{H}_{3}})}_{3}}P\] done
clear
D)
\[C{{N}^{-}}\] done
clear
View Solution play_arrow
question_answer 78)
Select the complex in which secondary valency is satisfied before the primary valency.
A)
RMgX done
clear
B)
\[[Cr{{\left( N{{H}_{3}} \right)}_{6}}]C{{l}_{2}}\] done
clear
C)
\[{{K}_{4}}[Fe{{(CN)}_{6}}]\] done
clear
D)
\[[Ni{{\left( CO \right)}_{4}}]\] done
clear
View Solution play_arrow
question_answer 79)
Select the complex that can be reduced most easily.
A)
\[Ni{{\left( CO \right)}_{4}}\] done
clear
B)
\[Cr{{\left( CO \right)}_{6}}\] done
clear
C)
\[V{{\left( CO \right)}_{6}}\] done
clear
D)
\[Fe{{(CO)}_{5}}\] done
clear
View Solution play_arrow
question_answer 80)
The correct order of ligands in the trans-directing series is
A)
\[C{{N}^{-}}>C{{H}_{3}}^{-}>N{{O}_{2}}^{-}>B{{r}^{-}}\] done
clear
B)
\[C{{N}^{-}}>B{{r}^{-}}>N{{O}_{2}}^{-}>C{{H}_{3}}^{-}\] done
clear
C)
\[B{{r}^{-}}>N{{O}_{2}}^{-}>C{{N}^{-}}>C{{H}_{3}}^{-}\] done
clear
D)
\[C{{H}_{3}}^{-}>C{{N}^{-}}>N{{O}_{2}}^{-}>B{{r}^{-}}\] done
clear
View Solution play_arrow
question_answer 81)
Among the following complexes (K-P)
\[{{K}_{3}}\left[ Fe{{\left( CN \right)}_{6}} \right]\] (K), \[\left[ Co{{\left( N{{H}_{3}} \right)}_{6}} \right]C{{l}_{3}}\text{ }\left( L \right),\]
\[N{{a}_{3}}\left[ Co{{\left( oxalate \right)}_{3}} \right]\] (M), \[[Ni{{({{H}_{2}}O)}_{6}}]C{{l}_{2}})(N),\]
\[{{K}_{2}}[Pt{{\left( CN \right)}_{4}}\left( O \right)\] and \[[Zn{{({{H}_{2}}O)}_{6}}]{{(N{{O}_{3}})}_{2}}(P)\] the
diamagnetic complexes are
A)
K, L, M, N done
clear
B)
K, M, O, P done
clear
C)
L, M, O, P done
clear
D)
L, M, N, O done
clear
View Solution play_arrow
question_answer 82)
\[[C{{o}_{2}}{{(CO)}_{8}}]\] displays:
A)
one \[Co-Co\] bond, six terminal CO and two bridging CO done
clear
B)
one \[Co-Co\] bond, four terminal CO and four bridging CO done
clear
C)
no \[Co-Co\] bond, six terminal CO and two bridging CO done
clear
D)
no \[Co-Co\] bond, four terminal CO and four bridging CO done
clear
View Solution play_arrow
question_answer 83)
In isolated condition \[C-C\] bond length of \[{{C}_{2}}{{H}_{4}}\]is x, than the bond length of a\[C-C\] bond of \[{{C}_{2}}{{H}_{4}}\]in Zeise's salt is
A)
Greater than x done
clear
B)
Less than x done
clear
C)
Equal to x done
clear
D)
None of these done
clear
View Solution play_arrow
question_answer 84)
The number of \[\sigma \] and \[\pi \]-bonds in \[F{{e}_{2}}{{(CO)}_{9}}\] respectively, are
A)
\[22\sigma \] and \[15\pi \] done
clear
B)
\[22\sigma \] and \[16\pi \] done
clear
C)
\[23\sigma \] and \[15\pi \] done
clear
D)
\[15\sigma \] and \[8\pi \] done
clear
View Solution play_arrow
question_answer 85)
Which of the following type of isomerism is shown by given complex compound?
A)
Facial done
clear
B)
Meridional done
clear
C)
Cis done
clear
D)
Both [b] and [c] done
clear
View Solution play_arrow
question_answer 86)
In solid \[CuS{{O}_{4}}.5{{H}_{2}}O\] copper is coordinated to
A)
4 water molecules done
clear
B)
5 water molecules done
clear
C)
one sulphate molecule done
clear
D)
one water molecule done
clear
View Solution play_arrow
question_answer 87)
A compound contains 1.08 mole of Na, 0.539 mole of Cu and 2.16 mole of F. Its aqueous solution shows osmotic pressure which is three times that of urea having same molar concentration. The formula of the compound is:
A)
\[N{{a}_{4}}\left[ Cu{{F}_{6}} \right]\] done
clear
B)
\[Na\left[ Cu{{F}_{4}} \right]\] done
clear
C)
\[N{{a}_{2}}\left[ Cu{{F}_{4}} \right]\] done
clear
D)
\[N{{a}_{2}}[Cu{{F}_{3}}]\] done
clear
View Solution play_arrow
question_answer 88)
Relative to the average energy in the spherical crystal field, the \[{{t}_{2g}}\] orbitals is tetrahedral field is
A)
Raised by \[\left( 2/5 \right){{\Delta }_{t}}\] done
clear
B)
Lowered by \[\left( 2/5 \right){{\Delta }_{t}}\] done
clear
C)
Raised by \[\left( 3/5 \right){{\Delta }_{t}}\] done
clear
D)
Lowered by \[\left( 1/5 \right){{\Delta }_{t}}\] done
clear
View Solution play_arrow
question_answer 89)
For which value of the x, and y, the following square planar compound shows geometrical isomers \[[Pt{{\left( Cl{{)}_{x}}{{\left( Br \right)}_{y}} \right]}^{2-}}\]
A)
1, 3 done
clear
B)
3, 1 done
clear
C)
2, 2 done
clear
D)
1, 1 done
clear
View Solution play_arrow
question_answer 90)
The terahedral complex [M[A][B](X)(Y)], where A,B,X and Y are different ligands and M is a metal ion is
A)
optically inactive done
clear
B)
rotate plane polarized light done
clear
C)
incomplete information done
clear
D)
can't be said done
clear
View Solution play_arrow
question_answer 91)
Incorrect match is:
A)
\[{{K}^{+}}{{[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]}^{-}}\]: Zeise's salt done
clear
B)
\[{{\left[ CO{{\left( CO \right)}_{4}} \right]}^{-}}\]: Bond order of \[CO-CO\] bond is greater than one done
clear
C)
\[{{[V{{(N{{H}_{3}})}_{6}}]}^{3+}}\] absorb visible light done
clear
D)
\[{{[Cr{{(CN)}_{6}}]}^{3-}}\]: Inner orbital low spin complex done
clear
View Solution play_arrow
question_answer 92)
Which complex of \[C{{o}^{2+}}\] will have the weakest crystal field splitting -
A)
\[{{\left[ CoC{{l}_{6}} \right]}^{4-}}\] done
clear
B)
\[{{[Co{{(CN)}_{6}}]}^{4-}}\] done
clear
C)
\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{2+}}\] done
clear
D)
\[{{[Co{{(en)}_{3}}]}^{2+}}\] done
clear
View Solution play_arrow
question_answer 93)
The complex showing a spin-only magnetic moment of 2.82 B.M. is:
A)
\[Ni{{\left( CO \right)}_{4}}\] done
clear
B)
\[{{[NiC{{l}_{4}}]}^{2-}}\] done
clear
C)
\[Ni{{\left( PP{{h}_{3}} \right)}_{4}}\] done
clear
D)
\[{{[Ni{{(CN)}_{4}}]}^{2-}}\] done
clear
View Solution play_arrow
question_answer 94)
Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?
A)
Red complex has a square planar geometry. done
clear
B)
Complex has symmetrical H-bonding done
clear
C)
Red complex has a tetrahedral geometry. done
clear
D)
View Solution play_arrow
question_answer 95)
Which of the following statements is correct for the complex \[C{{a}_{2}}[Fe{{(CN)}_{5}}{{O}_{2}}]\] having \[{{t}_{2g}}^{6},{{e}_{g}}^{0}\]electronic configuration?
A)
\[{{d}^{2}}s{{p}^{3}}\] hybridised and diamagnetic done
clear
B)
\[s{{p}^{3}}{{d}^{2}}\] hybridised and paramagnetic done
clear
C)
\[s{{p}^{3}}{{d}^{2}}\] hybridised and diamagnetic done
clear
D)
\[{{d}^{2}}s{{p}^{3}}\] hybridised and paramagnetic done
clear
View Solution play_arrow
question_answer 96)
\[{{[Fe\,{{(en)}_{2}}{{({{H}_{2}}O)}_{2}}]}^{2+}}+en\to \] complex (X). The correct statement about the complex (X) is -
A)
it is a low spin complex done
clear
B)
it is diamagnetic done
clear
C)
it shows geometrical isomerism done
clear
D)
[a] and [b] both done
clear
View Solution play_arrow
question_answer 97)
Which of the following is not chelating agent?
A)
thiosulphato done
clear
B)
oxalate done
clear
C)
glycinato done
clear
D)
ethylene diamine done
clear
View Solution play_arrow
question_answer 98)
When \[Hg{{I}_{2}}\] is added to excess of aqueous KI, mercury largely exists as.
A)
\[H{{g}_{2}}{{I}_{2}}\] done
clear
B)
\[{{[Hg{{I}_{3}}]}^{-}}\] done
clear
C)
\[{{[Hg{{I}_{4}}]}^{2-}}\] done
clear
D)
none of these done
clear
View Solution play_arrow
question_answer 99)
In nitroprusside ion, the iron and NO exist as Fe (II) and \[\overset{+}{\mathop{N}}\,O\] rather than Fe(III) and NO. This can be established by
A)
estimating the concentration of iron done
clear
B)
estimating the concentration of \[C{{N}^{-}}\] done
clear
C)
thermally decomposing the compound done
clear
D)
measuring the solid state magnetic moment done
clear
View Solution play_arrow
question_answer 100)
The number of geometrical isomers for octahedral \[{{\left[ Co{{\left( N{{H}_{3}} \right)}_{2}}C{{l}_{4}} \right]}^{-}}\], square planar \[AuC{{l}_{2}}Br_{2}^{-}\] and \[{{[Co(N{{O}_{2}}){{(N{{H}_{3}})}_{5}}]}^{2+}}\] are
A)
2, 2, 2 done
clear
B)
2, 2, no isomerism done
clear
C)
3, 2, 2 done
clear
D)
2, 3, no isomerism done
clear
View Solution play_arrow