Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 141 to 150 out of 226 Questions
12 13 14 15 16 17
141.
The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH3) (NH2OH)]+ is _____ .
(a) 2
(b) 3
(c) 4
(d) 6
Answer:

Option (b)

142.
Which of the following is red coloured ?
(a) [Co (NH3)5 Cl]2+
(b) [Co (NH3)5 (H2O)]3+
(c) [Co (NH3)6]3+
(d) [Co (CN)6]3-
Answer:

Option (b)

143.
If the complex [Co(NH3)6]3+ absorbs blue colour, what will be colour released (emerged) by it ?
(a) Yellow-orange
(b) Violet
(c) Red
(d) Ultraviolet
Answer:

Option (a)

144.
What is the correct option for the complex ion [FeF6]3- according to crystal field theory CFT ?
(a) Δ0 > P
(b) Δ0 ≥ P
(c) Δ0 < P and Δ0 > P
(d) Δ0 > P
Answer:

Option (b)

145.
Complex compounds are very important in biological systems with respect to this fact, which of the following statements is wrong ?
(a) Green colour of leaves of plants is due to the presence of the complex called chlorophyll which contains Ca metal ion.
(b) Red colour of blood is due to the complex called haemoglobin which contains Fe metal ion.
(c) Cyanocobalamine is called vitamin B12 which is a complex containing cobalt metal ion.
(d) Carboxy peptidase -A is an enzyme containing zinc.
Answer:

Option (a)

146.
Which biomolecule contains Mg in the vast life kingdom ?
(a) Haemoglobin
(b) Chlorophyll
(c) Protein (Protein)
(d) ATP
Answer:

Option (b)

147.
Which of the following contains cobalt ?
(a) Biotin
(b) Vitamin B12
(c) Vitamin B6
(d) Vitamin B2
Answer:

Option (b)

148.
The ligands in the anticancer drug cisplation is _____ .
(a) NH3 , Cl
(b) NH3 , H2O
(c) Cl , H2O
(d) NO ,Cl
Answer:

Option (a)

149.
Which of the following complexes is used to purify the metal present in it ?
(a) Na2[Ni(CN)4]
(b) K3[Fe(CN)6]
(c) K2[NiF4]
(d) Fe(CO)5
Answer:

Option (a)

150.
What is the oxidation number of transition metal ion present in sodium nitroprusside ?
(a) +3
(b) +4
(c) +2
(d) +5
Answer:

Option (c)

Showing 141 to 150 out of 226 Questions
12 13 14 15 16 17