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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
    \[A\to {{A}^{+}}+e,\,\,{{E}_{1}}\] and \[{{A}^{+}}\to {{A}^{2+}}+e,\,\,{{E}_{2}}\]. The energy required to pull out the two electrons are \[{{E}_{1}}\] and \[{{E}_{2}}\] respectively. The correct relationship between two energy would be

    A) \[{{E}_{1}}<\,{{E}_{2}}\]

    B) \[{{E}_{1}}={{E}_{2}}\]

    C) \[{{E}_{1}}>{{E}_{2}}\]

    D) \[{{E}_{1}}\ne {{E}_{2}}\]

    Correct Answer: A

    Solution :

    \[{{E}_{1}}<{{E}_{2}}\] because second I.E. is greater than first I.E.


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