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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Ionisation Energy

  • question_answer
    If first orbit energy of \[H{{e}^{+}}\] is - 54.4 eV, then the second orbit energy will be [Roorkee 1995]

    A) - 54.4 eV

    B) - 13.6 eV

    C) - 27.2 eV

    D) + 27.2 eV

    Correct Answer: B

    Solution :

    \[Cu<Ag<Au.\]


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