Alkyl Halides - Result Question 16
16. $3$-methyl-pent-$2$-ene on reaction with $HBr$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is
(a) six
(b) zero
(c) two
(d) four
(2017 Main)
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Answer:
Correct Answer: 16. (d)
Solution:
- The number of stereoisomers in molecules which are not divisible into two equal halves and have $n$ number of asymmetric C-atoms $=2^{n}$.
$3$-methyl-pent-$2$-ene on reaction with $HBr$ in presence of peroxide forms an addition product i.e. $2$-bromo-$3$-methyl pentane. It has two chiral centres. Therefore, $4$ stereoisomers are possible
BETA
