# Solve this following

Question:

' $\mathrm{X}$ ' melts at low temperature and is a bad conductor of electricity in both liquid and solid state. $\mathrm{X}$ is :

1. Carbon tetrachloride

2. Mercury

3. Silicon carbide

4. Zinc sulphide

Correct Option: 1

Solution:

$\mathrm{CCl}_{4}$ is molecular solid so does not conduct electricity in liquid \& solid state.