JEE Main & Advanced JEE Main Paper Phase-I (Held on 08-1-2020 Evening)

  • question_answer
    Kjeldahl's method cannot be used to estimate nitrogen for which of the following compounds? [JEE MAIN Held on 08-01-2020 Evening]

    A) \[C{{H}_{3}}C{{H}_{2}}C\equiv N\]

    B) \[N{{H}_{2}}\overset{\overset{O}{\mathop{\parallel }}\,}{\mathop{C}}\,N{{H}_{2}}\]

    C) \[{{C}_{6}}{{H}_{5}}N{{O}_{2}}\]    

    D) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]

    Correct Answer: C

    Solution :

    Kjeldahl's method is not applicable ton compounds containing nitrogen in nitro, azo groups and nitrogen present in ring (pyridine).


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