BHU PMT BHU PMT (Screening) Solved Paper-2007

  • question_answer
    Hexamethylenetetramine formed by the reaction of formaldehyde and

    A)  ammonia           

    B)  primary amine

    C)   secondary amine          

    D)   tertiary amine

    Correct Answer: A

    Solution :

                     Formaldehyde reacts, with ammonia to form hexamethylene tetramine (urotropin). \[6HCHO+4N{{H}_{3}}\xrightarrow{{}}\underset{\begin{smallmatrix}  hexamethylene \\  tetramine \end{smallmatrix}}{\mathop{{{(C{{H}_{2}})}_{6}}{{N}_{4}}}}\,+6{{H}_{2}}O\]


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