JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Properties of Halogen Containing Compounds

  • question_answer
    The dehydrobromination of 2-bromobutane gives \[C{{H}_{3}}CH=CHC{{H}_{3}}.\] The product is

    A) Hofmann product

    B) Saytzeff product

    C) Hoffmann-Saytzeff product

    D) Markownikoff product

    Correct Answer: B

    Solution :

               \[C{{H}_{3}}-\underset{\underset{Br}{\mathop{|\,\,\,}}\,}{\mathop{CH}}\,-C{{H}_{2}}-C{{H}_{3}}+\underset{\text{(alc)}}{\mathop{KOH}}\,\xrightarrow{\text{Saytzeff }\!\!'\!\!\text{ s}\,\text{rule}}\]\[C{{H}_{3}}-CH=CH-C{{H}_{3}}+KBr+{{H}_{2}}O\]


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