Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 121 to 130 out of 226 Questions
10 11 12 13 14 15
121.
State geometrical structures of [Ni(CN)4]2- and [NiF4]2- .
(a) Tetrahedral
(b) Square planar
(c) Respectively square planar and tetrahedral
(d) Respectively tetrahedral and square planar
Answer:

Option (c)

122.
When ligands Cl-, CN- and H2O combine with Ni+2 ion, the geometrical shapes of the complexes formed are respectively ______ .
(a) octahedral, tetrahedral and square planar
(b) tetrahedral ,square planar and octahedral
(c) square planar,tetrahedral and octahedral
(d) octahedral, square planar and octahedral
Answer:

Option (b)

123.
The type of hybridization for central metal ion in an aqua complex formed by dissolving NiCl2 in water is _____ .
(a) sp3d2
(b) sp3
(c) dsp2
(d) d2sp3
Answer:

Option (a)

124.
Due to which of the following reasons, does the geometrical structure arise ?
(a) Primary valency is ionic.
(b) Secondary valency is non-ionic
(c) Secondary valency is directional
(d) Primary valency is directional
Answer:

Option (c)

125.
The number of possible isomers (geometrical and optical) for [Co(en)2Cl2]Cl is _____ .
(a) 4
(b) 3
(c) 2
(d) 1
Answer:

Option (b)

126.
Which of the following complexes is not optically active ?
(a) [Co(en)3]3+
(b) [Cr(ox)3]3-
(c) cis - [CoCl2(en)2]+
(d) trans - [CoCl2(en)2]+
Answer:

Option (d)

127.
[Ma2b2] X2 is a complex which does not show geometrical isomerism 'a' and 'b' both are monodentate ligands. Hence the structure of the complex is _____ .
(a) tetrahedral
(b) square planar
(c) octahedral
(d) All of the above
Answer:

Option (a)

128.
How many optically active isomers are given by a square planar complex [M a b c d] ? (a ≠ b ≠ c ≠ d and all are monodentate)
(a) 3
(b) 2
(c) 4
(d) 6
Answer:

Option (a)

129.
Which of the following complex can show fac-Mer isomerism ?
(a) [PtCl2(NH3)2]
(b) [Co(NH3)3(NO2)3]
(c) [Cr(en)2Cl2]+/
(d) [PtCl2(NH3)4]2+
Answer:

Option (b)

130.
Which of the following isomerism is in [Co(NO3)(NH3)5] Cl ?
(a) Optical isomerism
(b) Geometrical isomerism
(c) Linkage isomerism
(d) Ionic isomerism
Answer:

Option (c)

Showing 121 to 130 out of 226 Questions
10 11 12 13 14 15