Question

Which substance exists as a molecular solid at ${20}^{o}C$?

• A. ${CH}_4$
• B. $Ba{I}_2$
• C. $H_{2}O$
• D. $P_4$

Answer 1

The correct option is D $P_4$

At ${20}^{\circ }C$,

A) $C{H}_4$ is gas.

B) $Ba{I}_2$ is Ionic solid.

C) $H_{2}O$ is liquid.

D) $P_4$ is molecular solid.

Answer: (D) $P_4$