Sodium salt of which one of the monobasic acids on electrolysis does not give hydrocarbon?

C_{6} H_{5} C O O H

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H C O O H

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M e_{3} C - C O O H

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C O O H - C H = C H - C O O H

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Solution

The correct options are
B
$H C O O H$

C $M e_{3} C - C O O H$
Electrolysis of conc. aqueous solution of sodium or potassium salt of carboxylic acid gives alkanes. This reaction is not given by sodium or potassium salt of formic acid. The electrolysis of sodium salt of formic acid produces only hydrogen and carbon dioxide gas.
Similarly, the electrolysis of sodium salt of pivalic acid ( $M e_{3} C - C O O H$ ) does not produce hydrocarbon.

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