JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Nitrogen Family

  • question_answer
    \[N{{O}_{2}}\] is a mixed oxide is proved by the first that with \[NaOH\], it forms

    A) Nitrites salt

    B) Nitrates salt

    C) Mixture of nitrate and nitrite

    D) Ammonia

    Correct Answer: C

    Solution :

      \[2N{{O}_{2}}+{{H}_{2}}O\] ⇌\[HN{{O}_{2}}+HN{{O}_{3}}\] When dissolved in water, gives a mixture of nitrous acid and nitric acid. \[{{N}_{2}}{{O}_{4}}+{{H}_{2}}O\,\to \,HN{{O}_{2}}+HN{{O}_{3}}\] \[HN{{O}_{3}}+HN{{O}_{2}}+2NaOH\,\to \]\[NaN{{O}_{2}}+NaN{{O}_{3}}+2{{H}_{2}}O\]


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