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Sodium Chloride

Select the co...

Question

Select the correct statements regarding the electrolysis of fused table salt.

A

Chlorine gas is released at anode.

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B

Chlorine gas is released at cathode.

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C

Liquid sodium metal is formed at cathode.

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D

Liquid sodium metal is formed at the anode.

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Solution

The correct options are
A Chlorine gas is released at anode.
C Liquid sodium metal is formed at cathode.
The molten state of the salt is called the fused state of the salt. On heating common salt to a high temperature at about $800 ° C$ it melts.
When a fused salt is electrolysed, chorine gas is released at the anode and liquid sodium metal at the cathode. The overall reaction involved is:
$2NaCl (l) \to {2Na(l) + Cl}_{2} (g)$

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