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C(CH3)-CH2-Br on rexn with C2H2O-ive = A type mechanism. Is a SN1 OR SN2?
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C(CH3)-CH2-Br on rexn with C2H2O-ive = A type mechanism. Is a SN1 OR S...
SN1 or SN2 Reaction Mechanism of C(CH3)-CH2-Br with C2H2O-ive


SN1 Mechanism


  • SN1 stands for substitution nucleophilic unimolecular reaction mechanism.

  • In this mechanism, the rate-determining step involves the formation of a carbocation intermediate.

  • The reaction occurs in two steps: (i) the leaving group leaves to form a carbocation intermediate, and (ii) the nucleophile attacks the carbocation intermediate to form the product.

  • SN1 reactions occur in polar protic solvents, such as water or ethanol, and the reaction rate depends only on the concentration of the alkyl halide.

  • This reaction mechanism is favored by tertiary alkyl halides, as they form more stable carbocation intermediates.



SN2 Mechanism


  • SN2 stands for substitution nucleophilic bimolecular reaction mechanism.

  • In this mechanism, the rate-determining step involves the simultaneous attack of the nucleophile and departure of the leaving group.

  • The reaction occurs in one step, where the nucleophile attacks the alkyl halide and the leaving group departs at the same time.

  • SN2 reactions occur in polar aprotic solvents, such as DMF or DMSO, and the reaction rate depends on the concentration of both the alkyl halide and the nucleophile.

  • This reaction mechanism is favored by primary and secondary alkyl halides, as they have less steric hindrance and can accommodate the approaching nucleophile more easily.



Conclusion


  • The given reaction involves a tertiary alkyl halide, C(CH3)-CH2-Br, and a strong nucleophile, C2H2O-ive.

  • Since the reaction occurs in a polar aprotic solvent, it is more likely to follow the SN2 mechanism.

  • However, the presence of a tertiary alkyl halide may also favor the formation of a carbocation intermediate and the SN1 mechanism.

  • Therefore, it is possible that both mechanisms may occur simultaneously, resulting in a mixture of products.

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C(CH3)-CH2-Br on rexn with C2H2O-ive = A type mechanism. Is a SN1 OR SN2?
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C(CH3)-CH2-Br on rexn with C2H2O-ive = A type mechanism. Is a SN1 OR SN2? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about C(CH3)-CH2-Br on rexn with C2H2O-ive = A type mechanism. Is a SN1 OR SN2? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for C(CH3)-CH2-Br on rexn with C2H2O-ive = A type mechanism. Is a SN1 OR SN2?.
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