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

  • question_answer
    On reaction with sodium, 1 mol of a compound X gives 1 mol of \[{{H}_{2}}\] Which one of the following compounds might be X?

    A) \[C{{H}_{3}}C{{H}_{2}}CH=C{{H}_{2}}\]

    B) \[C{{H}_{3}}COOC{{H}_{2}}C{{H}_{3}}\]

    C) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]

    D) \[C{{H}_{2}}(OH)C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH\]

    Correct Answer: D

    Solution :

    [d] Since 1 mole of compound X reacts with Na to evolve 1 mole of \[{{H}_{2}}\] gas, therefore the compound should have 2 active hydrogen atoms per mole which is possible only in option d. \[C{{H}_{2}}OHC{{H}_{2}}C{{H}_{2}}OH+2Na\xrightarrow{{}}\] \[NaOC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}ONa+2H\]


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