# 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

d) Ionisation

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

a) geometry

b) magnetic

c) nature of ligand

d) colour