Engineering
Chemistry
Order of Reaction and Law of Mass Action
Nucleophilic Substitution
Solubility
Question

Rate of which reaction increases on increasing polarity of solvent?

CH3Cl + NaOH

Br+CH3OTs

(H3C)3N + CH3 – I

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Solution
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In (2) reactants are neutral but in transition state polarity develops as shown:

so on increasing polarity of solvent hydration will increase and reaction proceeds forward.