Chemical Bonding And Molecular Structure Question 542

Question: The bond angle in ammonia molecule is [EAMCET 1980]

Options:

A) $ 91^{o}{8}’ $

B) $ 93^{o}3’ $

C) $ 106^{o}45’ $

D) $ 109^{o}28’ $

Show Answer

Answer:

Correct Answer: C

Solution:

In $ NH_3,sp^{3} $ -hybridization is present but bond angle is $ 106^{o}4{5}’ $ because Nitrogen has lone pair of electron according to VSEPR theory due to bp-lp repulsion bond angle decreases from $ 109^{o}45’ $ to $ 106^{o}4{5}’ $ .



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