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Chemistry - GOC Question with Solution | TestHub

ChemistryGOCRESONANCE AND MESOMERIC EFFECTHard2 minPYQ_2013
ChemistryHardsingle choice

A solution of(-)1-chloro-1-phenylethanein toluene racemises slowly in the presence of a small amount of SbCl5, due to the formation of :

Question diagram: A solution of ( - ) 1 - chloro - 1 - phenylethane in toluene

Options:

Answer:
A
Solution:

(-) - 1 - chloro-1-phenylethane is:

 .



With SbCl5 carbocation is formed. As the carbocation is planar, Cl ⊖ can again attack from both sides giving racemic mixture. (d, l mixture formed)

Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: PYQ_2013

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