Quantum Mechanical Approach to Covalent Bonding (Valence Bond Theory - its Important Features, the Concept of Hybridization involving s, p, and d Orbitals; Resonance ) NEET Questions

Physical Chemistry - Chemical Bonding and Molecular Structure

Quantum Mechanical Approach to Covalent Bonding (Valence Bond Theory - its Important Features, the Concept of Hybridization involving s, p, and d Orbitals; Resonance ) MCQ Questions


7.
The type of hybridization in PCl₅ molecule is:

NEET - 2024

A.
sp
B.
sp²
C.
sp³d
D.
sp³d²
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ANSWER :
C. sp³d
8.
The shape of sp² hybridized molecules is
A.
Linear
B.
Tetrahedral
C.
Trigonal planar
D.
Bent
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ANSWER :
C. Trigonal planar
9.
Which orbitals hybridize in sp³d hybridization?
A.
One s, three p, one d
B.
One s, two p, two d
C.
One s, three p
D.
Three p, two d
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ANSWER :
A. One s, three p, one d
10.
The bond angle in NH₃ is:

NEET - 2023

A.
109.5°
B.
120°
C.
104.5°
D.
107°
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ANSWER :
D. 107°
11.
The bond formed by head-on overlapping is called
A.
π bond
B.
σ bond
C.
dπ-pπ bond
D.
dπ-dπ bond
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ANSWER :
B. σ bond
12.
In sp³ hybridization, the bond angle is approximately
A.
180°
B.
109.5°
C.
120°
D.
90°
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ANSWER :
B. 109.5°