Denticity NEET Questions

Inorganic Chemistry - Coordination Compounds

Denticity MCQ Questions


13.
A ligand with denticity = 2 is called:
A.
Didentate (or bidentate)
B.
Tridentate
C.
Unidentate
D.
Polydentate
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ANSWER :
A. Didentate (or bidentate)
14.
Which of the following correctly matches ligand with its denticity?
A.
Oxalate - 1
B.
Ethylenediamine - 2
C.
EDTA - 4
D.
Cl⁻ - 2
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ANSWER :
B. Ethylenediamine - 2
15.
In the complex [Cr(en)₂(C₂O₄)]⁺, the total number of donor atoms (related to coordination number) is:
A.
3
B.
5
C.
4
D.
6
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ANSWER :
D. 6
16.
Why do EDTA complexes have higher denticity than en complexes?
A.
EDTA has higher charge
B.
EDTA has 6 donor atoms while en has only 2 donor atoms
C.
EDTA is bigger in size
D.
EDTA has heavier atoms
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ANSWER :
B. EDTA has 6 donor atoms while en has only 2 donor atoms
17.
How many chelate rings are formed in [Co(en)₃]³⁺ given the denticity of en?
A.
2
B.
3
C.
1
D.
6
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ANSWER :
B. 3
18.
Which property is directly related to the denticity of a ligand?
A.
Number of bonds formed by the ligand with one metal ion
B.
Magnetic moment
C.
Boiling point of the complex
D.
Color of the complex
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ANSWER :
A. Number of bonds formed by the ligand with one metal ion