InterviewSolution
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InterviewSolution
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The increasing order of reduction of alkyl halides with zinc and dilute HCl isA. `R-Cl lt R-I lt R-Br`B. `R-Cl lt R- Br lt R-I`C. `R-I lt R- Br lt R- Cl`D. `R- Br lt R-I lt R-Cl` |
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Answer» Correct Answer - B The reactivity of halogens with alkane is `F_(2) gt Cl_(2) gt Br_(2) gt I_(2)` hence, reduction of alkyl halide with Zna nd dilute HCl follows reverse order i.e., R-IgtR-BrgtR-Cl. Further the reactivty of this reduction increases as the strength of C-X bond decreases. |
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