NEET Sample Paper NEET Sample Test Paper-57

  • question_answer
    Which of the following will give \[{{N}_{2}}\] as on treatment with nitrous acid\[(NaN{{O}_{2}}+HCl)\]?

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

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

    C) \[{{(C{{H}_{3}})}_{2}}CH-N{{H}_{2}}\]        

    D) \[All\,will\,give\,{{N}_{2}}\]

    Correct Answer: D

    Solution :

    [d] All will give \[{{N}_{2}}\] \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}+NaN{{O}_{2}}+HCl\]                                     \[{{C}_{2}}{{H}_{3}}OH+{{N}_{2}}+NaCl+{{H}_{2}}O\] \[C{{H}_{3}}\,N{{H}_{2}}+NaN{{O}_{2}}+HCl\to \]                                     \[C{{H}_{3}}OH+{{N}_{2}}+NaCl+{{H}_{2}}O\]  \[(C{{H}_{3}})\ CH-N{{H}_{2}}+NaN{{O}_{2}}+HCl\to \]                         \[(C{{H}_{3}})\,CHOH+{{N}_{2}}+NaCl+{{H}_{2}}O\] All will give \[{{N}_{2}}\]


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