JEE Main & Advanced Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Carbon Family

  • question_answer
    Which of the following gives propyne on hydrolysis [AIIMS 2005]

    A) \[A{{l}_{4}}{{C}_{3}}\]

    B) \[M{{g}_{2}}{{C}_{3}}\]

    C) \[{{B}_{4}}C\]

    D) \[L{{a}_{4}}{{C}_{3}}\]

    Correct Answer: B

    Solution :

    Propyne can be prepared by the hydrolysis of magnesium carbide. Mg2C3 + 4H2O ® CH3C \[\equiv \] CH + 2Mg(OH)2


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