Q. $NH_{3}$ has much higher boiling point than $PH_{3}$ because
A) $NH_{3}$ has larger molecular weight
B) $NH_{3}$ undergoes umbrella inversion
C) $NH_{3}$ forms hydrogen bond
D) $NH_{3}$ contains ionic bonds whereas $PH_{3}$ contains covalent bonds
Explanation
(c)
Boiling point of ammonia is much higher than phosphine. It is due to extensive hydrogen bonding found in ammonia.
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.