Question Bank for JEE Main & Advanced Chemistry Coordination Chemistry Nomenclature, Oxidation state and EAN number

1) How many ions are produced in aqueous solution of \[[Co{{({{H}_{2}}O)}_{6}}]\,C{{l}_{2}}\] [RPMT 2002]

A) 2

B) 3

C) 4

D) 6

View Answer

2) IUPAC name of \[\left[ Pt{{(N{{H}_{3}})}_{3}}(Br)(N{{O}_{2}})Cl \right]Cl\] is [CBSE PMT 1998]

A) Triamminechlorobromonitroplatinum (IV) chloride

B) Triamminebromonitrochloroplatinum (IV) chloride

C) Triamminebromochloronitroplatinum (IV) chloride

D) Triamminenitrochlorobromoplatinum (IV) chloride

View Answer

3) Oxidation state of nitrogen is incorrectly given for [UPSEAT 2000, 01]

A) Compound - \[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\] Oxidation state - 0

B) Compound - \[N{{H}_{2}}OH\] Oxidation state - \[-1\]

C) Compound - \[{{({{N}_{2}}{{H}_{5}})}_{2}}S{{O}_{4}}\] Oxidation state - \[+2\]

D) Compound - \[M{{g}_{3}}{{N}_{2}}\] Oxidation state - \[-3\]

View Answer

4) The formula of dichloro bis (urea) copper (II) is [CBSE PMT 1997]

A) \[\left[ Cu\{O=C{{(N{{H}_{2}})}_{2}}\}C{{l}_{2}} \right]\]

B) \[\left[ CuC{{l}_{2}}{{\{O=C{{(N{{H}_{2}})}_{2}}\}}_{2}} \right]\]

C) \[\left[ Cu\{O=C{{(N{{H}_{2}})}_{2}}\}Cl \right]Cl\]

D) \[\left[ CuC{{l}_{2}} \right]\{O=C{{(N{{H}_{2}})}_{2}}{{H}_{2}}\}\]

View Answer

5) The IUPAC name of the complex \[\left[ Pt{{\left( N{{H}_{3}} \right)}_{2}}C{{l}_{2}} \right]\] is

A) Platinum (II) diammino dichloride

B) Diammino dichloro platinate (IV)

C) Bis (ammino) dichloro platinum (IV)

D) Dichloro diammine platinum (II)

View Answer

6) Correct formula of diammine silver (I) chloride is

A) \[Ag(N{{H}_{3}})Cl\]

B) \[Ag(N{{H}_{2}})Cl\]

C) \[\left[ Ag{{(N{{H}_{3}})}_{2}} \right]Cl\]

D) \[\left[ Ag{{(N{{H}_{2}})}_{2}} \right]Cl\]

View Answer

7) The formula of sodium nitroprusside is [AIIMS 1992]

A) \[N{{a}_{4}}\left[ Fe{{\left( CN \right)}_{5}}NOS \right]\]

B) \[N{{a}_{2}}\left[ Fe{{\left( CN \right)}_{5}}NO \right]\]

C) \[NaFe\left[ Fe{{\left( CN \right)}_{6}} \right]\]

D) \[N{{a}_{2}}\left[ Fe{{\left( CN \right)}_{6}}N{{O}_{2}} \right]\]

View Answer

8) The correct name of \[[Pt{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]\,\,[PtC{{l}_{4}}]\] is [MP PET 2003]

A) Tetraammine dichloro platinum (iv) tetrachloro platinate (ii)

B) Dichloro tetra ammine platinium (iv) tetrachloro platinate (ii)

C) Tetrachloro platinum (ii) tetraammine platinate (iv)

D) Tetrachloro platinum (ii) dichloro tetraammine platinate (iv)

View Answer

9) Correct formula of potassium ferrocyanide is [CBSE PMT 1988]

A) \[{{K}_{4}}\left[ Fe{{\left( CN \right)}_{6}} \right]\]

B) \[{{K}_{2}}\left[ Fe{{\left( CN \right)}_{6}} \right]{{H}_{2}}O\]

C) \[{{K}_{3}}\left[ Fe{{\left( CN \right)}_{6}} \right]\]

D) None of these

View Answer

10) The IUPAC name of \[\left[ Co{{\left( N{{H}_{3}} \right)}_{3}}{{(N{{O}_{2}})}_{3}} \right]\] is

A) Trinitrotriammine cobalt (III)

B) Trinitrotriammine cobalt (II)

C) Trinitrotriammine cobalt (III) ion

D) Trinitritriammine cobaltate (III)

View Answer

11) In \[{{K}_{4}}\left[ Fe{{\left( CN \right)}_{6}} \right],\] the E.A.N. of \[Fe\] is [DCE 2000]

A) 33

B) 35

C) 36

D) 26

View Answer

12) Which of the following pairs is not correctly matched [MP PET 1993]

A) Effective atomic number of \[Pt\] in \[{{\left[ PtC{{l}_{6}} \right]}^{2-}}=84\]

B) Absorption peak for \[{{\left[ C{{r}^{III}}{{(N{{H}_{3}})}_{6}} \right]}^{+3}}=21680c{{m}^{-1}}\]

C) Crystal field stabilization energy of \[{{d}^{2}}\] in weak ligand field \[=(-)0.8{{\Delta }_{0}}\]

D) Example of weak ligand field for \[{{d}^{5}}\] configuration \[={{\left[ M{{n}^{II}}{{F}_{6}} \right]}^{-4}}\]

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13) The oxidation number of chromium in sodium tetrafluoro oxochromate complex is

A) II

B) IV

C) VI

D) III

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14) The IUPAC name of \[{{K}_{4}}\left[ Fe{{\left( CN \right)}_{6}} \right]\] is [CBSE PMT 1990; MP PET 1992; MP PMT 1995, 97; Kurukshetra CET 2002]

A) Potassium hexacyanoferrate (II)

B) Potassium ferrocyanide

C) Tetrapotassium hexacyanoferrate (II)

D) Tetrapotassium ferroushexacyanide (II)

View Answer

15) The IUPAC name of \[\left[ Ni{{(CO)}_{4}} \right]\] is [RPET 1999]

A) Tetra carbonyl nickel (II)

B) Tetra carbonyl nickel (0)

C) Tetra carbonyl nickelate (II)

D) Tetra carbonyl nickelate (0)

View Answer

16) The correct nomenclature for \[F{{e}_{4}}{{[Fe{{(CN)}_{6}}]}_{3}}\] is [MP PMT 1994]

A) Ferroso-ferric cyanide

B) Ferric-ferrous hexacyanate

C) Iron (III) hexacyanoferrate (II)

D) Hexacynoferrate (III-II)

View Answer

17) The IUPAC name of compound \[N{{a}_{3}}\left[ Co{{(ONO)}_{6}} \right]\] will be [MP PMT 2000]

A) Hexanitritocobalt (III) sodium

B) Sodium cobalt nitrite

C) Sodium hexanitrocobaltate (III)

D) Sodium hexanitritocobaltate (III)

View Answer

18) In which of the following complexes oxidation state of metal is zero [MP PET 1997]

A) \[\left[ Pt{{\left( N{{H}_{3}} \right)}_{2}}C{{l}_{2}} \right]\]

B) \[\left[ Cr{{\left( CO \right)}_{6}} \right]\]

C) \[\left[ Cr{{\left( N{{H}_{3}} \right)}_{3}}C{{l}_{3}} \right]\]

D) \[\left[ Cr{{\left( en \right)}_{2}}C{{l}_{2}} \right]\]

View Answer

19) The oxidation number of Cr in \[[Cr{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\] is [CBSE PMT 2001]

A) 8

B) 6

C) 4

D) 3

View Answer

20) In \[\left[ Ni{{\left( N{{H}_{3}} \right)}_{4}} \right]S{{O}_{4}},\] the E.A.N. of \[Ni\] is

A) 34

B) 35

C) 36

D) 37

View Answer

21) IUPAC name of \[[Co(ONO){{(N{{H}_{3}})}_{5}}C{{l}_{2}}]\] is [AMU 2002]

A) Pentaammine nitro cobalt (III) chloride

B) Pentaammine nitrito cobalt (III) chloride

C) Pentaammine nitroso cobalt (III) chloride

D) Pentaammine oxo-nitro cobalt (III) chloride

View Answer

22) The oxidation number of \[Pt\] in \[{{[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]}^{-}}\] is [MNR 1993]

A) + 1

B) + 2

C) + 3

D) + 4

View Answer

23) The oxidation state of cobalt in the complex compound \[\left[ Co{{\left( N{{H}_{3}} \right)}_{6}} \right]C{{l}_{3}}\] is

A) + 3

B) + 6

C) + 5

D) + 2

View Answer

24) The correct IUPAC name of potassium cuprochloride is

A) Potassium copper (I) tetrachloride

B) Potassium tetrachlorocuprate (I)

C) Tetrachloropotassium cuprate (I)

D) Tetrachlorocopper (I) potassiate

View Answer

25) The effective atomic number of cobalt in the complex \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] is [MP PET 2003]

A) 36

B) 33

C) 24

D) 30

View Answer

26) IUPAC name of \[{{K}_{3}}Fe{{(CN)}_{6}}\] is [MP PMT 1993; MP PET 1997]

A) Potassium ferrocyanide (II)

B) Potassium hexaferrocyanate (III)

C) Potassium ferrohexacyanate (II)

D) Potassium hexacyanoferrate (III)

View Answer

27) The EAN of iron in potassium ferricyanide is [Pb. CET 2000]

A) 18

B) 54

C) 35

D) 23

View Answer

28) In the coordination compound, \[{{K}_{4}}[Ni{{(CN)}_{4}}]\] oxidation state of nickel is [AIEEE 2003]

A) \[-1\]

B) 0

C) \[+1\]

D) \[+2\]

View Answer

29) According to IUPAC nomenclature sodium nitroprussied is named is [CBSE PMT 2003]

A) Sodium pentacyanonitrosyl ferrate (III)

B) Sodium nitroferricyanide

C) Sodium nitroferrocyanide

D) Sodium pentacyanonitrosyl ferrate (II)

View Answer

30) Pick out the complex compound in which the central metal atom obeys EAN rule strictly [KCET 2003]

A) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

B) \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]

C) \[[Cr{{({{H}_{2}}O)}_{6}}]\,C{{l}_{3}}\]

D) \[[Cu{{(N{{H}_{3}})}_{4}}]\,S{{O}_{4}}\]

View Answer

31) Which of the following is wrong statement [BHU 2003]

A) \[Ni{{(CO)}_{4}}\] has oxidation number + 4 for Ni

B) \[Ni{{(CO)}_{4}}\] has zero oxidation number for Ni

C) Ni is metal

D) CO is gas

View Answer

32) Oxidation state of Fe in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\] [RPMT 2002]

A) 2

B) 3

C) 0

D) None of these

View Answer

33) Which complexes have zero oxidation state

A) Carbonyl

B) Ferrocyanide

C) Amine

D) Cyanide

View Answer

34) The proper name for \[{{K}_{2}}{{[PtCl]}_{6}}\] is [MH CET 2002]

A) Potassium platinum hexachloride

B) Potassium hexachloro platinum IV

C) Potassium hexachloro platinate IV

D) Potassium hexachloro platinum

View Answer

35) IUPAC name of \[{{K}_{3}}\left[ Al{{\left( {{C}_{2}}{{O}_{4}} \right)}_{3}} \right]\] is called [MP PMT 1993, 02, 03]

A) Potassium alumino oxalato

B) Potassium aluminium (III) trioxalate

C) Potassium trioxalato aluminate (III)

D) Potassium trioxalato aluminate (IV)

View Answer

36) The I.U.P.A.C. name of \[{{K}_{3}}[Ir{{({{C}_{2}}{{O}_{4}})}_{3}}]\] is [MP PMT 2001]

A) Potassium tri oxalato iridium (III)

B) Potassium tri oxalato iridate (III)

C) Potassium tris (oxalato) iridium (III)

D) Potassium tris (oxalato) iridate (III)

View Answer

37) The charge on \[{{[Ag{{(CN)}_{2}}]}^{-}}\] complex is [AIIMS 2001]

A) \[-1\]

B) \[+1\]

C) \[+2\]

D) \[+3\]

View Answer

38) The IUPAC name of \[\left[ Co{{\left( N{{H}_{3}} \right)}_{6}} \right]C{{l}_{3}}\] is [IIT-JEE 1994]

A) Hexammine cobalt (III) chloride

B) Hexammine cobalt (II) chloride

C) Triammine cobalt (III) trichloride

D) None of these

View Answer

39) IUPAC name of \[\left[ Co{{\left( N{{H}_{3}} \right)}_{3}}{{\left( {{H}_{2}}O \right)}_{2}}Cl \right]\] \[C{{l}_{2}}\] is [MP PET 1994]

A) Diaquachlorodiammine cobalt (III) chloride

B) Triamminediaquachloro cobalt (III) chloride

C) Chlorodiamminediaqua cobalt (III) chloride

D) Diamminediaquachloro cobalt (II) chloride

View Answer

40) Dichloro diammine platinum (II) complex has the formula [MP PMT 1997]

A) \[Pt[C{{l}_{2}}{{(N{{H}_{3}})}_{2}}]\]

B) \[Pt[R.{{(N{{H}_{2}})}_{2}}]C{{l}_{2}}\]

C) \[[PtC{{l}_{2}}{{(N{{H}_{3}})}_{2}}]\]

D) \[[Pt.R.{{(N{{H}_{2}})}_{2}}]C{{l}_{2}}\]

View Answer

41) The formula of potassiumdicyano bis (oxalato) nickelate (II) is

A) \[{{K}_{4}}\left[ Ni{{\left( CN \right)}_{2}}{{(Ox)}_{2}} \right]\]

B) \[{{K}_{3}}\left[ N{{i}_{2}}[N{{i}_{2}}{{(CN)}_{2}}{{(Ox)}_{2}} \right]\]

C) \[K\left[ Ni(CN){{(Ox)}_{2}} \right]\]

D) \[{{K}_{2}}\left[ Ni{{(CN)}_{2}}{{(Ox)}_{2}} \right]\]

View Answer

42) The value of x which appears in the complex \[{{\left[ Ni{{\left( CN \right)}_{4}} \right]}^{x}}\] is

A) + 2

B) - 2

C) 0

D) 4

View Answer

43) Pick the correct name of \[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\] [AMU 2001]

A) Chloropentammine cobalt (III)

B) Pentammine cobalt (III) chloride

C) Chloropentammine cobalt (III) chloride

D) Chloropentammine cobalt (II) chloride

View Answer

44) The valency of cuprammonium ion is

A) + 4

B) + 2

C) - 2

D) - 4

View Answer

45) In which of the following compounds transition metal has zero oxidation state [CBSE PMT 1999]

A) \[Cr{{O}_{5}}\]

B) \[N{{H}_{2}}.N{{H}_{2}}\]

C) \[NOCl{{O}_{4}}\]

D) \[\left[ Fe{{\left( CO \right)}_{5}} \right]\]

View Answer

46) The complex chlorocompound diaquatriammine cobalt (III) chloride is represented as [CBSE PMT 2002]

A) \[[Co{{(N{{H}_{3}})}_{3}}\,{{({{H}_{2}}O)}_{3}}]C{{l}_{2}}\]

B) \[[Co{{(N{{H}_{2}})}_{3}}\,\,{{({{H}_{2}}O)}_{2}}]C{{l}_{2}}\]

C) \[[CoCl{{(N{{H}_{3}})}_{3}}\,\,{{({{H}_{2}}O)}_{2}}]C{{l}_{3}}\]

D) \[[CoCl{{(N{{H}_{3}})}_{3}}\,\,{{({{H}_{2}}O)}_{2}}]C{{l}_{2}}\]

View Answer

47) The complex compound \[\left[ Co{{\left( N{{H}_{3}} \right)}_{3}}N{{O}_{2}}ClCN \right]\] is named as [MP PMT 1996]

A) Chlorocyanonitrotriammine cobalt (III)

B) Nitrochlorocyanotriammine cobalt (III)

C) Cyanonitrochlorotriammine cobalt (III)

D) Triamminenitrochlorocyano cobalt (III)

View Answer

48) The oxidation number of Pt in \[{{[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]}^{-}}\] is [UPSEAT 1999, 01]

A) \[+1\]

B) \[+2\]

C) \[+3\]

D) \[+4\]

View Answer

49) What is the structural formula of lithium tetrahydridoaluminate [MP PMT 2003]

A) \[Al[Li{{H}_{4}}]\]

B) \[A{{l}_{2}}{{[Li{{H}_{4}}]}_{3}}\]

C) \[Li[Al{{H}_{4}}]\]

D) \[Li{{[Al{{H}_{4}}]}_{2}}\]

View Answer

50) IUPAC name for \[K\left[ Ag{{\left( CN \right)}_{2}} \right]\] is

A) Potassium argentocyanide

B) Potassium silver cyanide

C) Potassium dicyanoargentate (I)

D) Potassium dicyanosilver (II)

View Answer

51) The oxidation state of \[Co\] in \[{{\left[ Co{{\left( {{H}_{2}}O \right)}_{5}}Cl \right]}^{2+}}\] is

A) + 2

B) + 3

C) + 1

D) + 4

View Answer

52) The chemical formula of diammine silver (I) chloride is [BHU 2004]

A) \[[Ag(N{{H}_{3}})]Cl\]

B) \[[Ag{{(N{{H}_{3}})}_{2}}]Cl\]

C) \[[Ag{{(N{{H}_{3}})}_{2}}]Cl\]

D) \[[Ag{{(N{{H}_{4}})}_{2}}]Cl\]

View Answer

53) IUPAC name of \[[Co{{(N{{H}_{3}})}_{5}}N{{O}_{2}}]C{{l}_{2}}\] [Pb. CET 2000]

A) Pentamminenitrocobalt (III) chloride

B) Pentamminenitrosocobalt (III) chloride

C) Pentamminenitrocobalt (II) chloride

D) None of these

View Answer

54) The pair of the compounds in which both the metals are in the highest possible oxidation state is [IIT-JEE (Screening) 2004]

A) \[{{[Fe{{(CN)}_{6}}]}^{3-}},{{[Co{{(CN)}_{6}}]}^{3-}}\]

B) \[Cr{{O}_{2}}C{{l}_{2}},MnO_{4}^{-}\]

C) \[Ti{{O}_{3}},Mn{{O}_{2}}\]

D) \[{{[Co{{(CN)}_{6}}]}^{3-}},Mn{{O}_{3}}\]

View Answer

55) The IUPAC name of \[{{[Cr{{(N{{H}_{3}})}_{6}}]}^{3+}}\] is [Pb. CET 2001]

A) Hexamminechromium (VI) ion

B) Hexamminechromium (III) ion

C) Hexamminechromium (II) ion

D) Hexamminechloride

View Answer

56) The IUPAC name of \[{{K}_{2}}[Cr{{(CN)}_{2}}{{O}_{2}}{{(O)}_{2}}(N{{H}_{3}})]\] is [DCE 2003]

A) Potassium ammine dicyano dioxoperoxochromate (VI)

B) Potassium ammine cyano peroxo dioxo chromium (VI)

C) Potassium ammine cyano peroxo dioxo chromiun (VI)

D) Potassium ammine cyano peroxo dioxo chromatic (IV)

View Answer

57) The IUPAC name of the coordination compound \[{{K}_{3}}[Fe{{(CN)}_{6}}]\] is [AIEEE 2005]

A) Potassium hexacyanoferrate (II)

B) Potassium hexacyanoferrate (III)

C) Potassium hexacyanoiron (II)

D) Tripotassium hexacyanoiron (II)

View Answer

58) Which compound is zero valent metal complex [KCET 2005]

A) \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]

B) \[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\]

C) \[[Ni{{(CO)}_{4}}]\]

D) \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]

View Answer

JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

Nomenclature, Oxidation state and EAN number

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JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

done Nomenclature, Oxidation state and EAN number

Nomenclature, Oxidation state and EAN number