JEE Main & Advanced AIEEE Solved Paper-2013

  • question_answer
    The first ionisation potential of Na is 5.1 eV. The value of electron gain enthalpy of Na+ will be :     AIEEE Solevd Paper-2013

    A) \[-2.55\text{ }eV\]                         

    B) \[-5.1\text{ }eV\]            

    C)        \[-10.2\text{ }eV\]         

    D)        \[+2.55\text{ }eV\]

    Correct Answer: B

    Solution :

    E.A. = Ionisation potential \[\therefore \]EA of\[N{{a}^{+}}=-5.1\text{ }eV\]


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