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Explain why the rate of the following S_(N)2 reaction increases on increasing the polarity of the solvent: R_(3)N:+R-XrarrR_(3)overset(o+)(N)-RX^(Theta). |
Answer» Solution :Since the reactants are neutral, therefore, the transition state of this reaction is relatively more POLAR than the reactants.  When the polarity of the solvent increases, the transition state become relatively more STABLE as compared to the reactants. As a RESULT, the activation energy of the reaction `(E_a)` decreases and the reaction RATE increases. |
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