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Chemistry
The hydrocarbon formed by electrolysis of sodium propionate:
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Q. The hydrocarbon formed by electrolysis of sodium propionate:
Jharkhand CECE
Jharkhand CECE 2002
A
$ CH_{3}CH=CH_{2} $
B
$ CH_{3}CH_{2}CH_{2}CH_{3} $
C
$ CH_{3}CH_{2}CH_{3} $
D
$ CH_{3}-CH_{3} $
Solution:
It is Kolbe's electrolysis
$\underset{\text{sodium salt of acid}}{2RCOONa + H_2O} \xrightarrow{\text{Electricity}} \underset{\text{alkane}}{R-R} + 2CO_2 + 2NaOH + H_2$
$\underset{\text{sodium propionate}}{2CH_3CH_2COONa} + H_2O \xrightarrow{\text{Electricity}}$
$\underset{\text{butane}}{CH_3CH_2 - CH_2 - CH_3 } + 2CO_2 + 2NaOH + H_2$
butane is formed by electrolysis of sodium propionate