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Which of the following tend to be volatile liquids or soft solids at room temperature and pressure?

(a) Non polar molecular solids

(b) Metallic solids

(c) Polar molecular solids

(d) Hydrogen bonded molecular solids

The question was posed to me during an interview.

The origin of the question is Classification of Crystalline Solids topic in chapter Solid State of Chemistry – Class 12

1 Answer

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The correct option is (d) Hydrogen bonded molecular solids

Explanation: In hydrogen bonded molecular solid, the intermolecular forces are strong hydrogen bonds. Hence, it tends to be volatile liquids or soft solids at room temperature and pressure.

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