NEET Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Self Evaluation Test - Haloalkanes and Haloarenes

  • question_answer
    The chief reaction product of reaction between n-butane and bromine at 573K is:

    A) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Br\]

    B) \[C{{H}_{3}}C{{H}_{2}}\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,HBr\]

    C) \[C{{H}_{3}}-C{{H}_{2}}\underset{C{{H}_{2}}Br}{\mathop{\underset{|}{\mathop{C}}\,}}\,HBr\]

    D) \[C{{H}_{3}}C{{H}_{2}}\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,Br\]

    Correct Answer: B

    Solution :

    [b] The reaction proceeds via free radical mechanism. As \[2{}^\circ \] free radical is more stable than\[1{}^\circ \], so \[C{{H}_{3}}C{{H}_{2}}CH(Br)C{{H}_{3}}\] would be formed.


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