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During detection of unsaturation in an u...

During detection of unsaturation in an unknown organic compound disappearance of the violet colour of dilute and cold `KMnO_4` solution indicate-

A

presence of ethylenic unsaturation in the compound

B

presence of a group in the compound which gets easily oxidised by `KMnO_4`

C

presence of only single covalent bond in the compound

D

all of the above are true

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The correct Answer is:
A, B
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