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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 elements will have the lowest first ionisation energy [KCET 1992]

    A) \[Mg\]

    B) \[Rb\]

    C) \[Li\]

    D) \[Ca\]

    Correct Answer: B

    Solution :

    As it belongs to IA group and has maximum size.


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