HSC +2 Chemistry coordination compounds - CC1- Chapter Wise Questions

Chapter wise questions on "Coordination Compounds" is provided below.

81) Which is a double salt?

a) $ K_{2}SO_{4}.Al_{2}(SO_{4})_{3}.24H_{2}O $

b) $ NaCl $

c) $  K_{4}[Fe(CN)_{6}] $

d) $ KCl $

82) An example of a complex compound having co-ordination number 4.

a) $ K_{4}[Fe(CN)_{6}] $

b) $ [Co(en)_{3}]Cl_{3} $

c) $ [Fe(H_{2}O)_{6}]Cl_{3} $

d) $ [Cu(NH_{3})_{4}]Cl_{2} $

83) The geometry of $ [Cu(NH_{3})_{4}]^{2+} $ complex ion:

a) Linear

b) Tetrahedral

c) Square planar

d) Angular

84) An example of chelating ligand is:

a) $ NO_{2}^{-} $

b) Chloro

c) Bromo

d) en

85) The geometry of complex ion $ [Fe(CN)_{6}]^{4-} $ is:

a) tetrahedral

b) square plannar

c) Octahedral

d) triangular

86) The oxidation number of Nickel in the complex ion, $ [NiCl_{4}]^{2-} $ is:

a) +1

b) –1

c) +2

d) –2

87) Which is not an anionic complex:

a) $ [Cu(NH_{3})_{4}]Cl_{2} $

b) $ K_{4}[Fe(CN)_{6}] $

c) $ K_{3}[Fe(CN)_{6}] $

d) $ [NiCl_{4}]^{2-} $


88) The geometry of $ [Ni(CN)_{4}]^{2-} $ is:

a) Tetrahedral

b) Square planar

c) Triangular

d) Octahedral

89) An example of an ambidentate ligand is:

a) $ CN^{-} $

b) $ Cl^{-} $

c) $ NO_{2}^{-} $

d) $ I^{-} $

90) $ [FeF_{6}]^{4-} $ is a para-magnetic because:

a) $ F^{-} $ is a weaker ligand

b) $ F^{-} $ is a strong ligand

c) $ F^{-} $ is a flexidentate ligand

d) $ F^{-} $ is a chelating ligand

91) In $ [Fe^{11}(CN)_{6}]^{4-} $, the central metal ion is:

a) Fe

b) $ Fe^{+2} $

c) $ Fe^{+3} $

d) $ CN^{-} $

92) The co-ordination number of Ni(H) in $ [Ni(CN)_{4}]^{2-} $ is:

a) 2

b) 4

c) 5

d) 6

93) The name of $ [Pt^{IV}(NH_{3})_{2}Cl_{2}]^{2+} $ is:

a) Diamminedichloroplatinum(IV) ion

b) Diamminedichloroplanitate(IV)

c) Diamminedichloroplatinum

d) Dichlorodiammineplatinum(IV) ion

94) For a comound $ K_{4}[Fe(CN)_{6}] \rightarrow  4K^{+} + [Fe(CN)_{6}]^{4-} $, the complex ion is:

a) $ K^{+} $

b) $ CN^{-} $

c) $ Fe^{II} $

d) $ [Fe(CN)_{6}]^{4-} $

95) A metal ion from the first transition series forms an octahedral complex with magnetic moment of 4.9 BM and another octahedral complex which is diamagnetic. The metal ion is:

a) $ Fe^{2+} $

b) $ Co^{2+} $

c) $ Mn^{2+} $

d) $ Ni^{2+} $ 

96) Paramagnetic moment is expressed in:

a) Debye unit

b) K Joules

c) BM

d) ergs

97) The type of isomerism found in the complexes $ [Co(NO_{2})(NH_{3})_{5}]SO_{4} $ and $ [Co(SO_{4})(NH_{3})_{5}]NO_{2} $ :

a) Hydrate isomerism

b) Coordination isomerism

c) Linkage isomerism

d) Ionisation

98) Valence bond theory does not explain the property of complex compound:

a) geometry

b) magnetic

c) nature of ligand

d) colour