At low temperature, the slow, controlled addition of molecular bromine to H_2C=CH–CH_2–C (pent-1-en-4-yne) gives

JEE Main Chemistry question

At low temperature, the slow, controlled addition of molecular bromine to HC=CH–CH–CCH (pent-1-en-4-yne) gives

(A)CH=CH–CH–CBr=CHBr
(B)BrCH–CHBr–CH–CCHCorrect
(C)CH=CH–CH–CBr–CHBr
(D)CH–CBr–CH–CCH

Answer: (B)

Solution

As established throughout this document, an isolated alkene is more reactive toward electrophilic addition than an alkyne (whose -carbons hold their -electrons more

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Question ID VK-142755