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Which alkyl halide from the following pairs would you expect to react more rapidly by an SN2 mechanism? Explain your answer. - CBSE (Science) Class 12 - Chemistry

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Question

Which alkyl halide from the following pairs would you expect to react more rapidly by an SN2 mechanism? Explain your answer.

`CH_3CH_2CH_2CH_2Br` or  

Solution

2-bromobutane is a 2° alkylhalide whereas 1-bromobutane is a 1° alkyl halide. The approaching of nucleophile is more hindered in 2-bromobutane than in 1-bromobutane. Therefore, 1-bromobutane reacts more rapidly than 2-bromobutane by an SN2 mechanism.

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APPEARS IN

 NCERT Solution for Chemistry Textbook for Class 12 (2018 to Current)
Chapter 10: Haloalkanes and Haloarenes
Q: 7.1 | Page no. 307
Solution Which alkyl halide from the following pairs would you expect to react more rapidly by an SN2 mechanism? Explain your answer. Concept: Haloalkanes and Haloarenes - Nomenclature.
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