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A gas on passing through ammonical solut...

A gas on passing through ammonical solution of `AgNO_(3)` does not give any precipitate but decolourises alkaline `KMnO_(4)` solution. The gas may be:

A

`CH_(4)`

B

`C_(2)H_(4)`

C

`C_(2)H_(2)`

D

`C_(2)H_(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
As `C_(2)H_(4)` (alkene) is not acidic in nature, therefore, it does not give any precipitate with `AgNO_(3)`. However, it is oxidised with dilute alkalline `KMnO_(4)` (Baeyer's reagent) to glycol
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