JEE Main & Advanced Chemistry Hydrocarbons Question Bank Alkane

  • question_answer To prepare a pure sample of n-hexane using sodium metal as one reactant, the other reactant will be [BHU 1999]

    A) n-propyl bromide

    B) Ethyl bromide and n-butyl bromide

    C) Ethyl chloride and n-butyl chloride

    D) Methyl bromide and n -pentyl chloride

    Correct Answer: A

    Solution :

    According to wurtz reaction. \[2C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br+2Na\xrightarrow{\text{ether}}\]\[C{{H}_{3}}{{(C{{H}_{2}})}_{4}}C{{H}_{3}}+2NaBr\]

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