NEET Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Self Evaluation Test - Alcohols, Phenols and Ethers

  • question_answer
    In Williamson synthesis of mixed ether having a primary and a tertiary alkyl group if tertiary halide is used, then:

    A) Rate of reaction will be slow due to slow cleavage of carbon-halogen bond.

    B) Alkene will be the main product.

    C) Simple ether will form instead of mixed ether.

    D) Expected mixed ether will be formed.

    Correct Answer: B

    Solution :

    [b] The tertiary alkyl halide undergoes elimination reaction to give alkenes. \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-X+NaO{{C}_{2}}{{H}_{5}}\xrightarrow{{}}\underset{2-methyl\,\,propene}{\mathop{C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,=C{{H}_{2}}}}\,\]


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