Organic Compounds Containing Halogens Question 112
Question: Which of the following is the example of $ SN^{2} $ reaction
[CPMT 1999]
Options:
A) $ CH_3Br+O{H^{-}}-CH_3OH+B{r^{-}} $
B) $ \underset{\underset{BrOH}{\mathop{||}}}{\mathop{CH_3CHCH_3+O{H^{-}}\xrightarrow{{}}CH_3CHCH_3+B{r^{-}}}} $
C) $ CH_3CH_2OH\xrightarrow{-H_2O}CH_2=CH_2 $
D) $ \underset{\underset{BrH}{\mathop{||}}}{\mathop{\overset{\overset{CH_3CH_3}{\mathop{||}}}{\mathop{CH_3-C-CH_3+O{H^{-}}\to CH_3-C-O-CH_3+B{r^{-}}}}}} $
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Answer:
Correct Answer: A
Solution:
Only 1° alkyl halides, i.e. $ CH_3Br $ undergoes $ S _{N}2 $ reaction.
BETA
