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12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Case Based (MCQs) - Alcohols, Phenols and Ethers

  • question_answer
    The alcohol which does not give a stable compound on dehydration is

    A) ethyl alcohol

    B) methyl alcohol

    C) n-propyl alcohol

    D) n-butyl alcohol.

    Correct Answer: B

    Solution :

    Dehydration of \[C{{H}_{3}}OH\] will give methylene (a carbene) which is unstable. \[\underset{\left( unstable \right)}{\mathop{C{{H}_{3}}OH\xrightarrow{{{H}_{2}}S{{O}_{4}}}:C{{H}_{2}}+{{H}_{2}}O}}\,\]


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