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An orgainc compound A upon reacting with...

An orgainc compound A upon reacting with `NH_(3)` gives `B` On heating `B` give `C.C` in presence `KOH` reacts with `Br_(2)` to yield `CH_(3)CH_(2)NH_(2) A` is .

A

`CH_(3)-underset(CH_(3))underset("| ")"CH"-COOH`

B

`CH_(3)CH_(2)CH_(2)COOH`

C

`CH_(3)COOH`

D

`CH_(3)CH_(2)COOH`

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The correct Answer is:
D
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