(chatquestion)...(CH),C-OK CH;-CH-CH,-CH, A (Major), Br the compound 'A' is 1. СH — СH -СH—СНз 2. CH3 – CH = CH – CH3 CH, 3. CH, = C-CH3 4. No Reaction...(The answer is 1. Can you explain what reaction this is?)

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