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The major product of the following reaction is : CH 2 CH 3 + ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ → ⎯ O H ) ii ( KMnO alkaline ) i ( 3 4

1. CH 2 COOH
2. COCH 3
3. COOH
4. CH 2 CHO

Correct answer: COOH

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