Ligands NEET Questions

Inorganic Chemistry - Coordination Compounds

Ligands MCQ Questions


13.
The two donor atoms of EDTA that bind the metal include:
A.
2 N and 2 O atoms
B.
4 N and 2 O atoms
C.
6 O atoms only
D.
2 N and 4 O atoms
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ANSWER :
D. 2 N and 4 O atoms
14.
Which of the following statements about ligands is correct?
A.
Ligands cannot be neutral molecules
B.
Ligands always form ionic bonds with metals
C.
All ligands have a positive charge
D.
Ligands act as Lewis bases by donating electron pairs
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ANSWER :
D. Ligands act as Lewis bases by donating electron pairs
15.
In the ligand N(CHβ‚‚CHβ‚‚NHβ‚‚)₃, the denticity is:
A.
Two
B.
Four
C.
Six
D.
Three
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ANSWER :
B. Four
16.
When a ligand binds through TWO donor atoms, it is called:
A.
Ambidentate
B.
Polydentate
C.
Didentate
D.
Unidentate
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ANSWER :
C. Didentate
17.
The coordination number of the central metal in [Cr(en)β‚‚(Cβ‚‚Oβ‚„)]⁺ is:
A.
8
B.
4
C.
6
D.
3
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ANSWER :
C. 6
18.
Pi (Ο€) bonds formed between ligand and central metal atom are:
A.
Stronger than sigma bonds always
B.
Counted in determining coordination number
C.
Not counted in determining coordination number
D.
Always present in all complexes
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ANSWER :
C. Not counted in determining coordination number