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Haryana PMT Haryana PMT Solved Paper-2004

  • question_answer
    If the ionization potential for hydrogen atom is\[13.6eV\], then the ionization potential for \[H{{e}^{+}}\] ion should be:

    A)  \[13.6eV\]        

    B)  \[6.8eV\]

    C)  \[54.4eV\]                         

    D)  \[72.2eV\]

    Correct Answer: C

    Solution :

                    I.P for \[H{{e}^{+}}\] ion = I.P for \[H\times {{(Z)}^{2}}\]where, Z = atomic number \[\therefore \]  \[I.P.=13.6\times {{(2)}^{2}}\]                 \[13.6\times 4=54.4eV\]


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