Ligands NEET Questions

Inorganic Chemistry - Coordination Compounds

Ligands MCQ Questions


1.
What is a ligand in a coordination compound?
A.
The ions or molecules bound to the central atom/ion in the coordination entity
B.
The empty d-orbitals of the metal
C.
The counter ions outside the coordination sphere
D.
The central metal atom or ion
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ANSWER :
A. The ions or molecules bound to the central atom/ion in the coordination entity
2.
Which of the following is a unidentate ligand?
A.
Ammonia (NH₃)
B.
Ethylenediamine (en)
C.
Oxalate (C₂O₄²⁻)
D.
EDTA
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ANSWER :
A. Ammonia (NH₃)
3.
Ethylenediamine (H₂NCH₂CH₂NH₂) is classified as which type of ligand?
A.
Unidentate
B.
Didentate
C.
Tridentate
D.
Hexadentate
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ANSWER :
B. Didentate
4.
EDTA⁴⁻ is which type of ligand?
A.
Tetradentate
B.
Octadentate
C.
Pentadentate
D.
Hexadentate
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ANSWER :
D. Hexadentate
5.
Which of the following is an ambidentate ligand?
A.
NO₂⁻
B.
Cl⁻
C.
H₂O
D.
NH₃
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ANSWER :
A. NO₂⁻
6.
The number of donor atoms in a hexadentate ligand is:
A.
Eight
B.
Six
C.
Four
D.
Two
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ANSWER :
B. Six