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A gas formed by the action of alcoholic ...

A gas formed by the action of alcoholic KOH on ethyl iodide, decolourises alkaline `KMnO_(4)` solution. The gas is

A

`CH_(4)`

B

`C_(2)H_(6)`

C

`C_(2)H_(4)`

D

`C_(2)H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`underset("Ethyliodide")(CH_3CH_2I)alc.KOH rarr underset("Ethene")(CH_2=CH_2)+KI + H_(2)O`
`underset("Ethene")(CH_2=CH_2 + )underset("(pink)")underset("Alkaline")(KMnO_4)overset(H_2O)rarrunderset("Colouorless")underset(OH)underset(|)(CH_2)-underset("(Glycol)")underset(OH)underset(|)(CH_2)+underset("Brown")(MnO_2)`
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