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Arrange the following halides in order of increasing S_(N)2 reactivity: CH_(3)Cl, CH_(3)Br, CH_(3)CH_(2)Cl,(CH_(3))_(2)CHCl. |
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Answer» Solution :As the size of the ALKYL group increases, `S_(N)2` reactivity decreases. Further, C-BR bond being weaker is easier to break than C-CL bond. Therefore, the overall increasing `S_(N)2` reactivity follows the ORDER: `(CH_(3))_(2)CHCl lt CH_(3)CH_(2) Cl lt CH_(3)Cl lt CH_(3)Br`. |
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