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

  • question_answer
    Ethylene di bromide on heating with metallic sodium in ether solution yields [Pb. CET 2004]

    A) Ethene

    B) Ethyne

    C) 2-butene

    D) 1-butene

    Correct Answer: C

    Solution :

               \[C{{H}_{3}}CH<\begin{matrix}    Br  \\    Br  \\ \end{matrix}+4Na+\begin{matrix}    Br  \\    Br  \\ \end{matrix}>CH-C{{H}_{3}}\underset{\Delta }{\mathop{\xrightarrow{\text{ether}}}}\,\]\[\underset{\text{2-butene}}{\mathop{C{{H}_{3}}-CH=CH-C{{H}_{3}}}}\,+4NaBr\]


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