Ligands NEET Questions

Ligands MCQ Questions

7.
Which of the following pairs represents the two ways an ambidentate ligand SCN⁻ can bind?
A.
Through S or N
B.
Through S or C
C.
Through N or O
D.
Through C or N
ANSWER :
A. Through S or N
8.
In the complex [Co(en)₃]³⁺, the coordination number of cobalt is:
A.
4
B.
6
C.
3
D.
9
ANSWER :
B. 6
9.
A chelate ligand is one which:
A.
Cannot bind to transition metals
B.
Uses two or more donor atoms simultaneously to bind a single metal ion forming a ring
C.
Has only one donor atom
D.
Is always unidentate
ANSWER :
B. Uses two or more donor atoms simultaneously to bind a single metal ion forming a ring
10.
The denticity of oxalate ion (C₂O₄²⁻) is:
A.
1
B.
4
C.
3
D.
2
ANSWER :
D. 2
11.
Which of the following ligands does NOT form a chelate?
A.
Chloride
B.
Ethylenediamine
C.
EDTA
D.
Oxalate
ANSWER :
A. Chloride
12.
In the complex K₄[Fe(CN)₆], CN⁻ acts as which type of ligand?
A.
Bidentate
B.
Ambidentate (here through C)
C.
Tridentate
D.
Unidentate
ANSWER :
D. Unidentate