Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 161 to 170 out of 226 Questions
14 15 16 17 18 19
161.
State the electric charge of complexion [CrIII(CO)2(CN)4].
(a) 0
(b) +1
(c) -1
(d) +2
Answer:

Option (c)

162.
What is the co-ordination number of Cr ion in the copmlex [Cr(en)2Cl2] NO3 ?
(a) 4
(b) 6
(c) 5
(d) 1
Answer:

Option (b)

163.
What is the non-ionic valency of Fe in Na3 [Fe(OX)3] ?
(a) 3
(b) 6
(c) 1
(d) 4
Answer:

Option (b)

164.
How many ions are formed on ionization of an octahedral complex compound having molecular formula CoCl3·5NH3 ?
(a) 7
(b) 2
(c) 5
(d) 3
Answer:

Option (d)

165.
Conductivity of which of the following compounds will be approximately equal to that of K2[PtCl4] ?
(a) NH4NO3
(b) [Cu(NH3)4]Cl2
(c) K[Ag(CN)2]
(d) K3[Fe(CN)6]
Answer:

Option (b)

166.
What it's the oxidation state of oxygen in O2 [PtIVF6] ?
(a) +1
(b) +2
(c) -2
(d) zero
Answer:

Option (a)

167.
Which of the following complexes will give white precipitate of BaSO4 with BaCl2 solution ?
(a) [Co(NH3)4 · SO4] Cl
(b) [Ni(H2O)4(NH3)4] SO4
(c) [Cr Cl2(SO4)2]2-
(d) [Mn(SO4)3]4-
Answer:

Option (b)

168.
From which compounds for the first time did werner prepare complex compounds for their study ?
(a) By reaction between CoCl3 and 6NH3
(b) By reaction between K3[Fe(CN)6] and KCN
(c) By reaction between AgNO3 and 2NH3
(d) By reaction between CoCl2 and 4NH3
Answer:

Option (a)

169.
Which of the following complexes cannot show electrical conductivity ?
(a) [Fe(NH3)3Cl3]
(b) K4[Ni(CN)4]
(c) [Co(NH3)6] Cl3
(d) Mg2 [PtCl6]
Answer:

Option (a)

170.
Which of the following reaction is given by aqueous solution of potassium ferrocyanide ?
(a) For ions of K+ and Fe2+
(b) For ions of K+ and Fe2+
(c) For K+ and CN- ions
(d) For K+ and [Fe(CN)6]4- ions
Answer:

Option (d)

Showing 161 to 170 out of 226 Questions
14 15 16 17 18 19