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question_answer1) What are complex compounds?
question_answer2) Name a vital coordination compound of magnesium.
question_answer3) Vitamin is a coordination compound of which metal?
question_answer4) Which coordination compound of iron is present in biological systems?
question_answer5) What is primary valency of a metal?
question_answer6) Explain secondary valency of a metal?
question_answer7) Define coordination polyhedra.
question_answer8) What are coordination entities?
question_answer9) What are ligands?
question_answer10) Name a polydentate ligand.
question_answer11) Define ambidentate ligand with example.
question_answer12) What do you mean by the term coordination number?
question_answer13) What is coordination sphere?
question_answer14) Define the term isomers of coordination compounds.
question_answer15) What are stereoisomer's of coordination compounds?
question_answer16) What do you mean by facial and meridional isomers?
question_answer17) What are enantiomers?
question_answer18) Define chiral complexes.
question_answer19) Give an example of octahedral complex which shows optical isomerism.
question_answer20) Which type of isomerism is shown by and.
question_answer21) Name the isomerism shown by the complex .
question_answer22) Name the isomerism arising out of interchange of ligands between coordination entities.
question_answer23) Explain inner orbital and outer orbital complexes.
question_answer24) What are low spin (or spin paired) and high spin (spin free) complexes?
question_answer25) What is weak field ligand? Give one example.
question_answer26) What is strong field ligand? Give an example.
question_answer27) What do you mean by crystal field splitting?
question_answer28) What are metal carbonyls?
question_answer29) Which type of bond is present between metal and carbon in metal carbonyls?
question_answer30) What is stability constant of complex compound?
question_answer31) Define stepwise and overall stability constant of coordination compounds.
question_answer32) What is instability or dissociation constant of coordination compounds?
question_answer33) What are chelates?
question_answer34) Which complex compound is responsible for photosynthesis?
question_answer35) Name the complex compound used as oxygen carrier.
question_answer36) Name the complex which is responsible for anti pernicious anaemia.
question_answer37) What is Wilkinson catalyst?
question_answer38) Which complex of silver is formed during photography?
question_answer39) Name the complex used in the treatment of cancer (to inhibit the growth of tumours).
question_answer40) Which chelating ligand is used in lead poisoning?
question_answer41) Name the compound used to remove excess of copper and iron present in toxic proportions in plants and animals.
question_answer42) Write name and formula of a complex compound formed during purification of Nickel.
question_answer43) Name the compound used for the estimation of and ions present in hard water.
question_answer44) Write name and formula of complex compound formed in the extraction of Ag and Au.
question_answer45) What is difference between double salt and a complex compound?
question_answer46) Explain with example homoleptic and heteroleptic complexes.
question_answer47) Define geometrical isomerism in coordination compounds with suitable example.
question_answer48) What is optical isomerism in coordination compounds. Give example?
question_answer49) In which type of coordination compounds optical isomerism is common.
question_answer50) Geometrical isomerism is not possible for tetrahedral complexes. Explain.
question_answer51) has tetrahedral geometry but it is diamagnetic. Give reasons.
question_answer52) Give reasons for the following : is outer orbital but is inner orbital complex.
question_answer53) is paramagnetic but is diamagnetic complex. Why?
question_answer54) Explain the structure of on the basis of V.B.T.
question_answer55) has two unpaired electrons whereas has four unpaired electrons. Why?
question_answer56) has five unpairedwhile has only one unpaired electron. Why?
question_answer57) What is petrochemical series?
question_answer58) Tetrahedral complexes are always of high spin. Explain.
question_answer59) What is d-d transition?
question_answer60) Explain the following (i) Anhydrous is white while hydrated is blue in colour. (ii) is violet in colour but becomes colourless on heating.
question_answer61) is green and becomes violet when ethane 1, 2-diamine is added to it,
question_answer62) Write two limitations of C.F.T.
question_answer63) What is coordination number?
question_answer64) Give one use of
question_answer65) Explain splitting of d-orbitals in octahedral and tetrahedral ligand field.
question_answer66) The splitting pattern of d-orbitals in octahedral and tetrahedral geometry are reverse of each other. Why?
question_answer67) Explain.
question_answer68) Explain the cause of colour in coordination compounds.
question_answer69) Chelates are generally more stable than the complexes of unidentate ligands. Explain.
question_answer70) What is the role of these reagents in analytical chemistry (i)(ii)(iii)nitrosonaphthol.
question_answer71) Formation constant \[{{K}_{f}}\]for the two complex ions are: \[{{[Ni{{(en)}_{3}}]}^{2+}};{{K}_{f}}=1.1\times {{10}^{18}}\,\,and\]\[{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}};\,\,{{K}_{f}}=5.3\,\times {{10}^{8}}\] Explain the relative stability of these complexes.
question_answer72) Which types of metals normally take part in the formation of co-ordination compounds?
question_answer73) What does 'en' represent? How many co-ordinate sites does it have?
question_answer74) Draw cis and trans isomers of \[{{[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\] ion.
question_answer75) What is the co-ordination number?
question_answer76) Do transition metal atoms act as Lewis bases in the co-ordination compounds?
question_answer77) What do the abbreviations (i) dien and (ii) gly represent?
question_answer78) Both \[\sigma \]-and \[\pi \]-bonds are present in which type of organometallic compounds?
question_answer79) What does EDTA stand for?
question_answer80) Write the structure and the name of the co-ordinate isomer of \[[Co{{(en)}_{3}}]\,[Cr{{(CN)}_{6}}]\].
question_answer81) Is aluminium isopropoxide an organometallic compound?
question_answer82) What type of hybridisation is involved in the geometry of the (i) square planar (ii) tetrahedral (iii) octahedral complexes?
question_answer83) Calculate the oxidation state of metal ion in (i) \[{{[Ag{{(CN)}_{2}}]}^{-}}\,\] (ii) \[[Ni{{(CO)}_{4}}]\] (iii) \[{{[Fe{{(CN)}_{6}}]}^{3-}}\]
question_answer84) Give the molecular formulae of the following complexes (i) hexaammine iron (III) nitrate. (ii) ammonium tetrachloridocuprate (II) (iii) sodium monochloridopentacyanoferrate (II) (iv) potassium hexafluorocobaltate (III)
question_answer85) Give the IUPAC names of the following complex compounds (i) \[{{[CoBr(N{{H}_{3}})]}_{5}}S{{O}_{4}}\] (ii) \[[Fe{{(N{{H}_{3}})}_{6}}]\,[Cr{{(CN)}_{6}}]\] (iii) \[{{[Co(S{{O}_{4}})\,{{(N{{H}_{3}})}_{5}}]}^{+}}\] (iv) \[{{[Fe(OH){{({{H}_{2}}O)}_{5}}]}^{2+}}\]
question_answer86) How does en act as a chelating ligand with Cu(II) ion?
question_answer87) Are the bidentate ligands same as the ambident ligands?
question_answer88) Describe a simple test that will allow you to distinguish between the compounds: \[[Co{{(N{{H}_{3}})}_{5}}Br]S{{O}_{4}}\] and \[[Co{{(N{{H}_{3}})}_{5}}S{{O}_{4}}]Br\].
question_answer89) One mole of aqueous solution of the complex \[CoC{{l}_{3}}5{{H}_{2}}O\]when treated with excess of aqueous \[AgN{{O}_{3}}\] solution gave one mole of white ppt of AgCl. What is the complex?
question_answer90) How does EDTA help as a cure for lead poisoning?
question_answer91) How many geometrical isomers are possible for the complex \[[Ni{{(CO)}_{4}}]\] which is tetrahedral in nature?
question_answer92) Is the name potassium tris(oxalato)aluminate(III) for the complex \[{{K}_{3}}[Al{{({{C}_{2}}{{O}_{4}})}_{3}}]\] correct?
question_answer93) Is the complex \[[Ni{{(CO)}_{4}}]\] paramagnetic in nature?
question_answer94) The EAN of each Mn (Z = 25) in its carbonyl compound is 36. What is the structure of the carbonyl compound with molecular formula \[M{{n}_{2}}{{(CO)}_{10}}\]?
question_answer95) Write equations to represent the following observations: When NaOH is added to aqueous \[CuS{{O}_{4}}\] solution, a pale blue precipitate is formed. On adding aqueous \[N{{H}_{3}}\] solution, the precipitate dissolves to give a deep blue solution. If the solution is made acidic with dilute \[HN{{O}_{3}},\] the colour is converted back to pale blue solution.
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