Hydrocarbons - Result Question 21

####22. The reaction of C6H5CH=CHCH3 with HBr produces:

[2015]

(a) C6H5CH2CHCH3

(c)CC=Cc1ccc(Br)cc1

(d)CCC(Br)c1ccccc1

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Solution:

(d)CCC(Br)C(Br)C(C(C)CBr)C(c1ccccc1)c1ccccc1

(a)CCCCC(CC(C)(C)C)C(C)(C)C

(A) 3 cabocation (Major) (more stable)

B

Tertiary carbocation is more stable hence gives major product.



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