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Buta-1,3-diene when treated with Br_2 gives

Option: 1

1,4-dibromobut-2-ene


Option: 2

1,3-dibromobut-1-ene


Option: 3

3,4-dibromo-1-ene


Option: 4

2,3-dibromobut-2-ene


Answers (1)

best_answer

As we have learnt,

In 1,3-dienes generally 1,4-addition takes place to form the conjugate addition product

\mathrm{CH_2= CH-CH=CH_2+Br_2\longrightarrow CH_2(Br)-CH=CH-CH_2Br}

Therefore, option (1) is correct.

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Rishi

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