Haryana PMT Haryana PMT Solved Paper-1999

  • question_answer
    The maximum number of electron in \[_{20}Ca\]with quantum number \[(n=2,\,\,\,m=1,\,\,\,s=-1/2)\]is :

    A)  \[1\]                                    

    B) \[2\]

    C)  \[3\]                                    

    D) \[4\]

    Correct Answer: A

    Solution :

                   \[\underset{Formaldehyde}{\mathop{6HCHO}}\,+4N{{H}_{3}}\xrightarrow{{}}\underset{\begin{smallmatrix}  Hexamethylene \\  \text{tetramine} \end{smallmatrix}}{\mathop{{{(C{{H}_{2}})}_{6}}{{N}_{4}}}}\,+6{{H}_{2}}O\]


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