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Question: Identify the products X and Y in the given reaction, \(CH_{3} - \underset{\underset{Br}{|}}{C}H - C...

Identify the products X and Y in the given reaction,

CH3−C∣BrH−CH3+Mg→DryetherX→D2OYCH_{3} - \underset{\underset{Br}{|}}{C}H - CH_{3} + Mg\overset{\quad Dryether\quad}{\rightarrow}X\overset{\quad D_{2}O\quad}{\rightarrow}Y

A

X=CH3−C∣BrH−CH2Mg,Y=CH3CH2CH2OHX = CH_{3} - \underset{\underset{Br}{|}}{C}H - CH_{2}Mg,Y = CH_{3}CH_{2}CH_{2}OH

B

C

X=CH3−C∣MgBrH−CH3,Y=CH3−C∣ODH−CH3X = CH_{3} - \underset{\underset{MgBr}{|}}{C}H - CH_{3},Y = CH_{3} - \underset{\underset{OD}{|}}{C}H - CH_{3}

D

X=CH3−C∣BrH−CH2Mg,Y=CH3−C∣OHH−CH3X = CH_{3} - \underset{\underset{Br}{|}}{C}H - CH_{2}Mg,Y = CH_{3} - \underset{\underset{OH}{|}}{C}H - CH_{3}

Answer

X=CH3−C∣BrH−CH2Mg,Y=CH3CH2CH2OHX = CH_{3} - \underset{\underset{Br}{|}}{C}H - CH_{2}Mg,Y = CH_{3}CH_{2}CH_{2}OH

Explanation

Solution

Order of reactivity of alkyl halides towards SN2S_{N}2reaction is 1°>2°>3°> aryl halides. For SN2S_{N}2mechanism the steric hindrance should be minimum.