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Which compound in each of the following pairs will react faster in S_(N)2 reaction with OH^(-)? (i) CH_(3)Br or CH_(3)I (ii) (CH_(3))_(3)C Cl or CH_(3)Cl. |
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Answer» SOLUTION :(i) Since `I^(-)` ION is a better leaving group than `Br^(-)` ion, therefore, `CH_(3)I` reacts faster `CH_(3)Br` in `S_(N)2` REACTION with `OH^(-)` ion. (ii) On steric grouns, `1^(@)` alkyl HALIDES are more reactive than tert-alkyl halides in `S_(N)2` reaction. therefore, `CH_(3)Cl` will react at a faster rate than `(CH_(3))_(3)C Cl` in a `S_(N)2` reaction with `OH^(-)` ion. |
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