Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution. (a) chlorobenzene; (b) p-chlorotoluene; (c) 2,4-dimethylchlorobenzene

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Chemistry - Halogen Derivative Question with Solution | TestHub

ChemistryHalogen DerivativeNUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNIMedium2 minQB

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Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution.

NCERT Exemplar Unit 10 Q29: three printed chlorobenzene and methylchlorobenzene structures

(a) chlorobenzene; (b) p-chlorotoluene; (c) 2,4-dimethylchlorobenzene

Options:

Answer:

Solution:

Methyl groups donate electron density and impede nucleophilic attack; two methyl groups deactivate more than one.

Stream:JEESubject:ChemistryTopic:Halogen DerivativeSubtopic:NUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNI

⏱ 2mℹ️ Source: QB

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