Optical Isomerism Questions:
In coordination compound [Co(en)2Cl2]Cl which is false
(a) Show geometrical Isomerism
(b) Show optical Isomerism
(c) Show ionic Isomerism
(d) A octahedral complex
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[Co(NH3)4Cl2]+ exhibits
(a) Geometrical isomerism
(b) Optical isomerism
(c) Bonding isomerism
(d) Ionisation isomerism
The number of unpaired electrons in Ni(CO)4 is
(a) Zero
(b) One
(c) Three
(d) Five
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The possible number of optical isomers in [Co(en)2Cl2]+ are
(a) 2
(b) 3
(c) 4
(d) 6
The colour of CoCl3.5NH3.H2O is
(a) Orange yellow
(b) Orange
(c) Green
(d) Pink
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Paramagnetic co-ordination compounds contain …….. electrons
(a) No
(b) Both paired and unpaired
(c) Paired
(d) Unpaired
The type of magnetism exhibited by [Mn(H2O)6]2+ ion is
(a) Paramagnetism
(b) Diamagnetism
(c) Both (a) and (b)
(d) None of these
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Coordination isomerism is caused by the interchange of ligands between the
(a) Cis and Trans structure
(b) Complex cation and complex anion
(c) Inner sphere and outer sphere
(d) Low oxidation and higher oxidation states
What is the magnetic moment of K3[FeF6]
(a) 5.91 BM
(b) 4.89 BM
(c) 3.87 BM
(d) 6.92 BM
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[Co(NH3)5Br]SO4 and [Co(NH3)5SO4] are examples of which type of isomerism
(a) Linkage
(b) Geometrical
(c) Ionization
(d) Optical
Types of isomerism shown by [Cr(NH3)5NO2]Cl2 is
(a) Optical
(b) Ionisation
(c) Geometrical
(d) Linkage
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[Co(NH3)5NO2]Cl2 and [Co(NH3)5(ONO)]Cl2 are related to each other as
(a) Geometrical isomers
(b) Optical isomers
(c) Linkage isomers
(d) Coordination isomers
If the magnetic moment of [Ag(CN)2]–1 is zero, then the number of unpaired electrons will be
(a) 1
(b) 2
(c) 3
(d) Zero
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Which one of the following octahedral complexes will not show geometric isomerism (A and B are monodentate ligands)
(a) [MA5B]
(b) [MA2B4]
(c) [MA3B3]
(d) [MA4B2]
The complexes [Co(NH3)6][Cr(C2O4)3] and [Cr(NH3)6][Co(C2O4)3]
(a) Linkage isomerism
(b) Geometrical isomerism
(c) Coordination isomerism
(d) Ionisation isomerism
The number of geometrical isomers for [Pt(NH3)2Cl2] is
(a) Two
(b) One
(c) Three
(d) Four
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The number of ions per mole of a complex [CoCl2.5NH3]Cl2 in aqueous solution will be
(a) Nine
(b) Four
(c) Three
(d) Two
[Ti(H2O)6]+3 is paramagnetic in nature due to
(a) One unpaired e–
(b) Two unpaired e–
(c) Three unpaired e–
(d) No unpaired e–
Which of the following coordiantion compounds would exhibit optical isomerism
(a) trans-dicyanobis (ethylenediamine) chromium (III) chloride
(b) tris-(ethylenediamine) cobalt (III) bromide
(c) pentaamminenitrocobalt (III) iodide
(d) diamminedichloroplatinum (II)
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How many ions will be produced in solution from one molecule of chloropentammine cobalt (III) chloride
(a) 1
(b) 2
(c) 3
(d) 4
The pair of complex compounds [Cr(H2O)6Cl3] and [Cr(H2O)5Cl]Cl2H2O are an example of
(a) Linkage isomerism
(b) Ionisation isomerism
(c) Coordination isomerism
(d) Hydrate isomerism
[Pt(NH3)4Cl2]Br2 and [Pt(NH3)4Br2]Cl2 are related to each other as
(a) Optical isomers
(b) Coordinate isomers
(c) Ionization isomers
(d) Linkage isomers
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What is true for [Fe(CN)6]3– and [FeF6]3–
(a) Both are paramagnetic
(b) Only [Fe(CN)6]3– is paramagnetic
(c) Only [FeF6]3–is paramagnetic
(d) Both are diamagnetic
