Question: ' $\mathrm{X}$ ' melts at low temperature and is a bad conductor of electricity in both liquid and solid state. $\mathrm{X}$ is :
Carbon tetrachloride
Mercury
Silicon carbide
Zinc sulphide
Correct Option: 1
Solution:
$\mathrm{CCl}_{4}$ is molecular solid so does not conduct electricity in liquid \& solid state.
