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A gas decolourises alkaline KMnO(4) solu...

A gas decolourises alkaline `KMnO_(4)` solution but does not give precipitate with silver nitrate. It is:

A

`CH_4`

B

`C_2H_4`

C

`C_2H_2`

D

`C_2H_6`

Text Solution

Verified by Experts

The correct Answer is:
B
`C_2H_4 (CH_2=CH_2)` decolourises `KMnO_4` solution but does not give ppt. with `AgNO_3` solution.
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