Alkyl Halides - Result Question 35
####35. n-propyl bromide on treatment with ethanolic potassium hydroxide produces
(1987, 1M)
(a) propane
(b) propene
(c) propyne
(d) propanol
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Answer:
Correct Answer: 35. (b)
Solution:
- An alkyl halide containing at least one $\beta-H$, on treatment with ethanolic $KOH$, undergoes dehydrohalogenation, giving alkene.
$CH _3-CH _2-CH _2-Br+KOH \xrightarrow{\text { Ethanol }} CH _3-CH=CH _2$
