NEET NEET SOLVED PAPER 2013

  • question_answer
    In the reaction, A is

    A) \[HgS{{O}_{4}}/{{H}_{2}}S{{O}_{4}}\]

    B) \[C{{u}_{2}}C{{l}_{2}}\]

    C) \[{{H}_{3}}P{{O}_{2}}\]and\[{{H}_{2}}O\]

    D) \[{{H}^{+}}/{{H}_{2}}O\]

    Correct Answer: C

    Solution :

    When diazonium salt is treated with\[{{\text{H}}_{\text{3}}}\text{P}{{\text{O}}_{\text{2}}}\]followed by hydrolysis, it diazonium group is replaced by ?H resulting to the formation of hydrocarbon. Thus, A must be     \[{{\text{H}}_{\text{3}}}\text{P}{{\text{O}}_{\text{2}}}\text{/}\,{{\text{H}}_{\text{2}}}\text{O}\text{.}\]


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