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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
    Which of the following has lowest first ionisation potential [CPMT 1993]

    A) B

    B) C

    C) N

    D) O

    Correct Answer: A

    Solution :

    Ionisation potential increases across the period.


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