‘X’ melts at low temperature and is a bad conductor of
Question:

‘X’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. $X$ is:

  1.  Zinc sulphide

  2. Mercury

  3. Silicon carbide

  4. Carbon tetrachloride


Correct Option: , 4

Solution:

$\mathrm{CCl}_{4} \rightarrow$ Non-conductor in solid and liquid phase.

Melting point of $\mathrm{CCl}_{4}$ is $-23{ }^{\circ} \mathrm{C}$. It does not conduct electricity in both solid and liquid state.

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