Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 191 to 200 out of 226 Questions
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191.
Which of the following is a negatively charged bidentate ligand ?
(a) Cyano
(b) Acetato
(c) Dimethyl glyoximato
(d) Ethylene diamine
Answer:

Option (c)

192.
What is wrong regarding K3[Co(CN)4(AcO)2] ?
(a) Monocentred complex
(b) Complex having negative ligands
(c) Mixed ligand complex
(d) Chelate complex
Answer:

Option (d)

193.
Which of the following complex ion has maximum stability ?
(a) [Ni (NH3)4]2+
(b) [Ni (CN)4]2-
(c) [NiF4]2-
(d) [Ni (H2O)4]2+
Answer:

Option (c)

194.
[NiCl4]2- is less stable due to _____ .
(a) Cl- is strong ligand
(b) oxidation number of ion Ni is +2
(c) Ni2+ is paramagnetic magnetic
(d) Cl- is weak ligand
Answer:

Option (c)

195.
What is the geometrical structure when co-ordination number is 5 ?
(a) Square pyramidal
(b) Trigonal pyramidal
(c) Trigonal bipyramidal
(d) Both (A) and (B)
Answer:

Option (d)

196.
State the structure pentcarboynl iron (O).
(a) Tetrahedral
(b) Sandwich
(c) Trigonal bipyramidal
(d) Octahedral
Answer:

Option (c)

197.
Which of the following complex possesses square planar structure ?
(a) K [MnO4]
(b) K2 [Ni (CN)4]
(c) K2 [NiCl4]
(d) [Ni(NH3)2 Cl2]
Answer:

Option (b)

198.
Which of the following complexes does not possess tetrahedral structure ?
(a) K4 [Ni (CN)4]
(b) K2 [NiCl4]
(c) K [MnO4]
(d) [Ni(NH3)2 Cl2]
Answer:

Option (d)

199.
Types of hybridization in K3 [Fe(CN)6], [Fe(H2O)6]Cl3 and K2 [Ni(CN)4] are respectively _____ .
(a) d2 sp3,  d2 sp3,  dsp2
(b) d2 sp3,  sp3d, sp3
(c) sp3d2, sp3d2, dsp2
(d) d2sp3, sp3d2, dsp2
Answer:

Option (d)

200.
In which of the following complexes, does the transition metal ion in the corresponding complex possess maximum unpaired electrons ?
(a) K [MnO4]
(b) K4 [Ni(CN)4]
(c) [Fe(H2O)6]Cl3
(d) [Co(NH3)6 Cl3]
Answer:

Option (c)

Showing 191 to 200 out of 226 Questions
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