In Down's process, sodium is obtained by the electrolysis of:

molten NaOH

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molten NaCl

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aqueous NaOH

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aqueous NaCl

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Solution

The correct option is C molten NaCl
In Down's process, sodium is obtained by the electrolysis of molten sodium chloride (NaCl). KCl and KF are used to decrease the melting point of the mixture. The schematic is shown in the image attached.

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Similar questions

Sodium is obtained at the cathode during the electrolysis of molten sodium chloride.

N a C l

40 % N a C l

60 %

C a C l_{2}

Chloride gas is obtained at the cathode during the electrolysis of molten sodium chloride.

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