1.

CH_(3) - underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C ) - Br underset(Delta)overset("KOH(aloholic)")(rarr) (A) overset(HBr//R_(2)O_(2))(rarr)underset("(major)")((B))

Answer»

`CH_(3) - underset(H)underset(|)overset(CH_(3))overset(|)(C ) -CH_(2)- Br`
`CH_(3) - underset(Br)underset(|)overset(CH_(3))overset(|)(C ) -CH_(2)`
`CH_(3) - underset(CH_(2)-Br)underset(|)overset(CH_(3))overset(|)(C ) -OH`
`CH_(3) - underset(CH_(3))underset(|)overset(CH_(2)-H)overset(|)(C ) - Br`

Answer :A


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