MCQ
Which of the following yield both alkane and alkene
- ✓Kolbe’s reaction
- BWilliamson’s synthesis
- CWurtz reaction
- DSandmeyer reaction
✓
Answer
Correct option: A.
Kolbe’s reaction
a
(a) Kolbe’s methods -Electrolysis of a concentrated aqueous solution of either sodium or potassium salts of saturated mono carboxylic acids yields higher alkanes at anode.
(a) Kolbe’s methods -Electrolysis of a concentrated aqueous solution of either sodium or potassium salts of saturated mono carboxylic acids yields higher alkanes at anode.
$C{H_3}COONa$ $ \rightleftharpoons $ $C{H_3}CO{O^ - } + Na + $
Anode :$2C{H_3}CO{O^ - }\xrightarrow{{ - 2{e^ - }}}C{H_3} - C{H_3} + 2C{O_2}$
Cathode : $2N{a^ + } + 2{e^ - } \to 2Na$
$2Na + 2{H_2}O \to 2NaOH + {H_2}$
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