Chemistry - Halogen Derivative Question with Solution | TestHub

ChemistryHalogen DerivativeNUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNIEasy2 minPYQ_2013

ChemistryEasysingle choice

In a $S_{N} 2$ substitution reaction of the type $R - Br + Cl^{-} ⟶ DMF R - Cl + Br^{-}$ which one of the following has the highest relative rate?

Options:

Answer:

Solution:

$S_{N} 2$ mechanism is followed in case of primary and secondary halides i.e., $S_{N}^{2}$ reaction is favoured by small groups on the carbon atom attached to halogens so

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

⏱ 2mℹ️ Source: PYQ_2013

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