BHU PMT BHU PMT (Screening) Solved Paper-2006

  • question_answer
    When primary amines react with nitrous acid, the gas evolved is:

    A) \[{{N}_{2}}\]                                     

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

    C) \[C{{O}_{2}}\]                                   

    D) \[CO\]

    Correct Answer: A

    Solution :

                     When primary amines, react with nitrous acid, then nitrogen gas is evolved and alcohol is formed. \[RC{{H}_{2}}N{{H}_{2}}+HN{{O}_{2}}\xrightarrow{{}}R.C{{H}_{2}}OH+{{N}_{2}}+{{H}_{2}}O\]


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