Hydrocarbons - Result Question 48
####31. The number of structural and configurational isomers of a bromo compound, $C _5 H _9 Br$, formed by the addition of $HBr$ to 2-pentyne respectively, are
(1988, 1M)
(a) 1 and 2
(b) 2 and 4
(c) 4 and 2
(d) 2 and 1
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Answer:
Correct Answer: 31. (d)
Solution:
- $CH _3-C \equiv C-CH _2 CH _3+HBr \longrightarrow$
geometrical isomers
Therefore, two structural and four configurational isomers.
