CMC Medical CMC-Medical Ludhiana Solved Paper-2008

  • question_answer
    Formaldehyde reacts with ammonia to give urotropine that is

    A)  \[{{(C{{H}_{2}})}_{6}}{{N}_{4}}\]                             

    B)  \[{{(C{{H}_{2}})}_{4}}{{N}_{3}}\]

    C)  \[{{(C{{H}_{2}})}_{6}}{{N}_{6}}\]                             

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

    Correct Answer: A

    Solution :

                    Formaldehyde reacts with ammonia to give urotropine. The formula of urdtropine is \[{{(C{{H}_{2}})}_{6}}{{N}_{4}}.\] \[6HCHO+4N{{H}_{3}}\xrightarrow{{}}\underset{\begin{align}   & \text{urotropine} \\  &  \\  & \text{(hexamethylene} \\  &  \\  & \,\,\,\,\,\,\,\,\,\,\text{tetramine)} \\ \end{align}}{\mathop{{{(C{{H}_{2}})}_{6}}{{N}_{4}}+6{{H}_{2}}O}}\,\]


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