Coordination Compounds MCQs | Question – Paper 3

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Topic: Coordination Compounds, Test No.: 03, Total MCQs: 10

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Question 1
The correct statement with respect to the complexes Ni(CO)4 and [Ni(CN)4]2– is
A
nickel is in the same oxidation state in both
B
both have tetrahedral geometry
C
both have square planar geometry
D
have tetrahedral and square planar geometry respectively
Question 2
The ionisation isomer of [Cr(H2O)4Cl(NO2)C] is
A
[Cr(H2O)4(O2N)]Cl2
B
[Cr(H2O)4Cl2](NO2)
C
[Cr(H2O)4Cl(ONO)Cl
D
[Cr(H2O)4Cl2(NO2)] H2O
Question 3
The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is
A
nitrito-N-pentaamminecobalt (III) chloride
B
nitrito-N-pentaamminecobalt (II) chloride
C
pentaammine nitrito-N-cobalt (II) chloride
D
pentaammine nitrito-N-cobalt (III) chloride
Question 4
The IUPAC name of K2 [Ni (CN)4] is ______.
A
Potassium tetracyanatonickelate (II)
B
Potassium tetracyanonickelate (II)
C
Potassium tetracyanonickel (III)
D
Potassium tetracyanatonickel (II)
Question 5
The IUPAC name of the complex [Co (NH3)4 Cl2] Cl is
A
dichloro tetraammine cobalt (III) chloride
B
tetraammine dichloro cobalt (III) chloride
C
tetraammine dichloro cobalt (II) chloride
D
tetraammine dichloro cobalt (IV) chloride
Question 6
The IUPAC name of the coordination compound K3[Fe(CN)6] is
A
Potassium hexacyanoferrate (II)
B
Potassium hexacyanoferrate (III)
C
Potassium hexacyanoiron (II)
D
tripotassium hexcyanoiron (II)
Question 7
The magnetic moment (spin only) of [NiCl4]2– is
A
1.41 BM
B
1.82 BM
C
5.46 BM
D
2.82 BM
Question 8
The number of unidentate ligands in the complex ion is called
A
EAN
B
Coordination number
C
primary valency
D
oxidation number
Question 9
The number of water molecule(s) directly bonded to the metal centre in CuSO4 × 5H2O is
A
1
B
2
C
3
D
4
Question 10
The oxidation state of Cr in [Cr(NH3)4Cl2]+ is
A
+3
B
+2
C
+1
D
0
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