1. Tardigrade
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  3. Chemistry
  4. Equal amount of an alkyl halide (.C4H9Cl.) is reacted at the same temperature with equal volume of 0⋅ 2 M and 0⋅ 4 M solution of KOH, respectively, in two separate experiments. The time taken for the reaction of 50 % of (.C4H9Cl.) was found to be same, the alkyl halide is

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Q. Equal amount of an alkyl halide $\left(\right.C_{4}H_{9}Cl\left.\right)$ is reacted at the same temperature with equal volume of $0\cdot 2\,M$ and $0\cdot 4\,M$ solution of $KOH,$ respectively, in two separate experiments. The time taken for the reaction of $50\%$ of $\left(\right.C_{4}H_{9}Cl\left.\right)$ was found to be same, the alkyl halide is

NTA AbhyasNTA Abhyas 2022

Solution:

Alkyl halides undergo nucleophilic substitution reactions with aq. $KOH$. According to the given information, the reaction is first order reaction with respect to alkyl halide. Hydrolysis of $3^\circ $ RX is independent of nucleophilic concentration $\left(S_{N} 1 reaction\right).$
Solution