In a standard reaction obeying second-order kinetics, if the concentration of the alkyl halide subst — Reaction Mechanism Chemistry Question

💡 Solution & Explanation

The rate law for a single-step $S_N2$ reaction is given by $\text{Rate} = k[\text{Substrate}][\text{Nucleophile}]$. If $[\text{Substrate}]$ becomes $3 \times [\text{Substrate}]$ and $[\text{Nucleophile}]$ becomes $2 \times [\text{Nucleophile}]$, the new rate calculation is $k(3[\text{Substrate}])(2[\text{Nucleophile}]) = 6 \times k[\text{Substrate}][\text{Nucleophile}]$. The overall rate increases by a factor of $6$.