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But-2-ene on reaction with alkaline KMnO...

But-2-ene on reaction with alkaline `KMnO_(4)` at elevated temperature followed by acidification will give :

A

One molecule of `CH_(3)CHO` and one molecule of `CH_(3)COOH`

B

2 molecules of `CH_(3)CHO`

C

`CH_(3)-underset(OH)underset(|)CH-underset(OH)underset(|)CH-CH_(3)`

D

2 molecules of `CH_(3)COOH`

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