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Ethene and ethyne can be distinguished b...

Ethene and ethyne can be distinguished by

A

`Br_2` water

B

`KMnO_4` solution

C

cuprous chloride solution

D

any of the above

Text Solution

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The correct Answer is:
C

On account of unsaturation both ethene and ethyne can decolorize `Br_2` water and `KMnO_4` solution Only ethyne with acidic H atoms gives a red precipitate with `Cu_2Cl_2`
`HC-=CHoverset(Cu_2Cl_2)tounderset("Red ppt.)(CuC-=C C u)`
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