Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 131 to 140 out of 226 Questions
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131.
Which of the following complexes generally shows chirality ?
(a) [Cr(C2O4)3]3-
(b) [Fe(NH3)2 (CN)4]-
(c) [Co(NH3)6]Cl3
(d) [Co (NH3)3 (NO2)3]
Answer:

Option (a)

132.
Which of the following pairs of complexes shows co-ordination isomerism ?
(a) [Co(NH3)6] [Cr(CN6)] and [Cr(NH3)6] [Co(CN3)6]
(b) [Co (NH3)4 Cl2] NO2 and [CO (NH3)4 Cl(NO2)] Cl
(c) [CNS → Ag ← NH3] and [SCN → Ag ← NH3]
(d) [Co (NH3)5 (ONO)]  and [CO (NH3)5 (NO2)]
Answer:

Option (a)

133.
Which of the following complex ion shows optical isomerism ?
(P) Trans - [Cr(en)2(CN)2]+
(Q) Cis - [Cr(en)2(CN)2]+
(R) Facial - [Co(H2O)3(NH3)3]+3
(a) (P)
(b) (P) and (Q) both
(c) (Q)
(d) (P),(Q) and (R)
Answer:

Option (b)

134.
Which of the following pairs exhibits ionization isomerism ?
(a) [Fe(SCN)6]3-, [Fe(CNS)6]3-
(b) [Fe(NH3)5Br]SO4 , [Fe(NH3)5SO4] Br
(c) [FeCl2 (H2O)4]Cl.2H2O , [FeCl(H2O)5]Cl2·H2O
(d) Cis-diamminedichloridoplatinum (II) and trans-diamminedichloridoplatinum (II).
Answer:

Option (b)

135.
Below are given some complexes and their isomerism. Select the correct option.
(a) K [Ag(CN)2] - linkage isomerism
(b) [Ag(NH3)2] [CuCl2] - ionization isomerism
(c) [CrCl (NH3)5] I2 - ionization isomerism
(d) [PtCl4I2] - Geometrical isomerism
(a) (a),(b)
(b) (a),(c),(d)
(c) (a),(b),(d)
(d) (b),(c),(d)
Answer:

Option (c)

136.
'a' and 'b' are two different ligands. Three of each kind of ligands have co-ordinated to metal ion M to give octahedral structure. What can be the two geometrical isomers ?
(a) Cis and trans
(b) Dextro and leave
(c) Facial and meridional
(d) None of the given
Answer:

Option (c)

137.
What is the type of isomerism displayed by [Co(NH3)6][Cr(CN)6] and [Cr(NH3)6][Co(CN)6] complexes ?
(a) Linkage isomerism
(b) Ionization isomerism
(c) Co-ordination isomerism
(d) Geometrical isomerism
Answer:

Option (c)

138.
How many geometrical isomers can [Pt(py)(NH3)BrCl] complex have ?
(a) 3
(b) 4
(c) 0
(d) 2
Answer:

Option (a)

139.
[PtII (NH3)4] [PtIVCl6] and [PtIV(NH3)4Cl2] [PtIICl4] is an example of which isomerism ?
(a) Ionic
(b) Linkage
(c) Hydration
(d) Co-ordination
Answer:

Option (d)

140.
Which of the following cannot exhibit optical isomerism ?
(a) [Cr (C2O4)3]3-
(b) [CrCl2 (NH3)2 en ]+
(c) Cis [Pt (Br2) (en)2]2+
(d) [Cr(NH3)4SO4]+
Answer:

Option (d)

Showing 131 to 140 out of 226 Questions
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