Chemistry-(general)

NEET Chemistry (general) MCQ Question

Type: MCQ-conceptual-Hard-Class 12

Which combination of statements correctly describes the properties and behavior of ammonia and its derivatives?

A

Ammonia is a colorless gas with a pungent odor; it forms ammonium salts with acids; its aqueous solution is a strong base.

B

Ammonia has a trigonal pyramidal shape; it is highly soluble in water; it significantly raises the pH of water.

C

Ammonia is associated through hydrogen bonds in solid state; it has higher boiling points than expected; it has three bond pairs and one lone pair.

D

Ammonia can precipitate hydroxides; it is a liquid at room temperature; it has no effect on pH.

Correct Answer

Option C

Detailed Explanation

Ammonia is indeed associated through hydrogen bonds in its solid state, leading to higher boiling points than expected based on molecular mass, and it has a trigonal pyramidal shape with three bond pairs and one lone pair of electrons.

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