12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank MCQs - The p-Block Elements

  • question_answer
    Nitric oxide can be synthesised in the laboratory by

    A) treating Zn with cold and dilute \[HN{{O}_{3}}\]

    B) treating Zn with concentrated \[HN{{O}_{3}}\]

    C) treating copper with cold and dilute\[HN{{O}_{3}}\]

    D) heating \[N{{H}_{4}}N{{O}_{3}}\]

    Correct Answer: C

    Solution :

    [c]
    Nitric oxide can be synthesised in laboratory by following reaction :
    \[\underset{Copper\,\,(dil.)}{\mathop{3Cu}}\,+\underset{\begin{smallmatrix}  (Cold\,\,and\,\, \\  dilute) \end{smallmatrix}}{\mathop{BHN{{O}_{3}}}}\,\to 3Cu{{(N{{O}_{3}})}_{2}}+4{{H}_{3}}O+\underset{\begin{smallmatrix}  Nitric \\  Oxide \end{smallmatrix}}{\mathop{2NO}}\,\]


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