Justify and arrange the following compounds namely, ethyl chloride,
isopropyl chloride, tertiary butyl chloride in increasing order of reactivity
towards the asked displacement namely:
(a) Sn1
(b) SN2
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Answer:
a) for Sn1 ethyl chloride < isopropyl chloride < tertiary butyl chloride
b) for Sn2 tertiary butyl chloride <isopropyl chloride < ethyl chloride
since, Sn1 mechanism involves formation of carbocation, and is faster for reactions that include more stable carbocation
tertiary carbocation > secondary carbocation > primary carbocation
while Sn2 reaction depends upon steric hindrance, Sn2 mechanism is slow for more hindered reactant
Explanation:
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