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MCQ Solution: Hydrocarbons

 Consider the following reaction,

Product Z is:

1) CH2=CH2
2) CH3CH2−O−CH2−CH
3) CH3CH2−OSO3H
4) CH3CH2OH

SOLUTION

PBrwill give SN2 reaction. 

C2H5OH--PBr3⟶C2H5Br(X) 

Alc.KOH will give elimination reaction and forms the double bond 

C2H5Br --Alc.KOH⟶ C2H4(Y)

H2SO4,H3O+ will give electrophilic addition reaction, 

 

C2H4 --H+,OH−⟶ C2H5OH(Z)

 

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