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Which one of the following compounds can...

Which one of the following compounds can decolourise alkanes `KMnO_(4)` solution?

A

`C_(2)H_(6)`

B

`C_(2)H_(4)`

C

`C_(4)H_(10)`

D

`CH_(2)Cl_(2)`

Text Solution

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The correct Answer is:
B
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The compound that decolourises alk. KMnO_4 is

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