The reactivity of the compounds, m − nitro − t e r t − cumyl chloride p − methoxy − t e r t − cumyl chloride , p − fluoro − t e r t − cumyl chloride , and p − nitro − t e r t − cumyl chloride towards S N 1 solvolysis reaction, is to be arranged in the increasing order. Concept introduction: Nucleophilic substitution reaction is a reaction where an electron rich species attacks a substrate which is electron deficient. When the solvent of the solution behaves as a nucleophile then it is known as solvolysis. Nucleophilic substitution reactions are of two types, S N 1 and S N 2 . The unimolecular nucleophilic substitution reaction is S N 1 reaction. This type of reaction takes place in two steps; in first step a carbocation is formed. The stability of carbocation decides the feasibility of reaction. Stability of carbocation is affected by the groups attached to the ring showing + I or – I effect.

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Chapter 17, Problem 17.29AP

Interpretation Introduction

Interpretation:

The reactivity of the compounds, m−nitro−tert−cumyl chloride p−methoxy−tert−cumyl chloride, p−fluoro−tert−cumyl chloride, and p−nitro−tert−cumyl chloride towards SN1 solvolysis reaction, is to be arranged in the increasing order.

Concept introduction:

Nucleophilic substitution reaction is a reaction where an electron rich species attacks a substrate which is electron deficient. When the solvent of the solution behaves as a nucleophile then it is known as solvolysis. Nucleophilic substitution reactions are of two types, SN1 and SN2.

The unimolecular nucleophilic substitution reaction is SN1 reaction. This type of reaction takes place in two steps; in first step a carbocation is formed. The stability of carbocation decides the feasibility of reaction. Stability of carbocation is affected by the groups attached to the ring showing +I or –I effect.

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