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

  • question_answer
    The reagent which easily reacts with ethanol and propanol is

    A) Grignard reagent

    B) Fehling reagent

    C) aqua-regia

    D) Tollen's reagent

    Correct Answer: A

    Solution :

    [a]
    Grignard reagent \[(RMg\,\,X)\] reacts with both ethanol and propanol.
    \[\underset{Ethanol}{\mathop{{{C}_{2}}{{H}_{5}}OH}}\,+\underset{Grignard\,\,reagent}{\mathop{R\,\,MgX}}\,\,\,\to \,RH+{{C}_{2}}{{H}_{5}}OMgX\]
    \[\underset{\Pr opanol}{\mathop{{{C}_{3}}{{H}_{7}}OH}}\,+\underset{Grignard\,\,reagent}{\mathop{R\,\,MgX}}\,\,\,\to \,RH+{{C}_{3}}{{H}_{7}}OMgX\]


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