JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Critical Thinking Haloalkanes

  • question_answer
    In which alkyl halide, \[S{{N}^{2}}\] mechanism is favoured maximum [RPMT 1997]

    A) \[C{{H}_{3}}Cl\]

    B) \[C{{H}_{3}}C{{H}_{2}}Cl\]

    C) \[{{(C{{H}_{3}})}_{2}}CHCl\]

    D) \[{{(C{{H}_{3}})}_{3}}C-Cl\]

    Correct Answer: A

    Solution :

    \[S{{N}^{2}}\]Substitution nucleophilic bimolecular order of different alkyl halides.     \[{{1}^{o}}>{{2}^{o}}>{{3}^{o}}\] \[S{{N}^{1}}\]Substitution nucleophilic unimolecular order of different alkyl halides , \[{{3}^{o}}>{{2}^{o}}>{{1}^{o}}\].


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