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In the Down's method for the extraction ...

In the Down's method for the extraction of sodium, the melting point of the electrolyte is lowered by adding:-

A

Potassium chloride

B

Calcium chloride

C

Both calcium chloride and potassium fluoride

D

Potassium fluoride only.

Text Solution

Verified by Experts

The correct Answer is:
C
`CaCl_(2)+KF` lower the melting point from 1085 K to 850 K.
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