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MCQ-36
The shortening of bonds is due to the predominant participation of ________ orbital in hybridization
A. s
B. P
C. d
D. f

Answer: A

MCQ-37
Which of the following element has the highest electronegativity
A. O
B. F
C. N
D. CI

Answer: B

MCQ-38
All of the following are co-planar molecules except
A. Propyne
B. Ethyne
C. Benzene
D. Ethene

Answer: A

MCQ-39
Which of the following has the lowest first ionization energy
A. Ne
B. F
C. N
D. O

Answer: D

MCQ-40
The percentage of ionic and covalent character in HF is
A. 20, 80
B. 80, 20
C. 57, 43
D. 43, 57

Answer: D