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

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    Which is the correct order of ionic sizes (At. No. : Ce = 58, Sn = 50, Yb = 70 and Lu = 71) [AIEEE 2002]

    A) \[Ce>Sn>Yb>Lu\]

    B) \[Sn>Ce>Lu>Yb\]

    C) \[Lu>Yb>Sn>Ce\]

    D) \[Sn>Yb>Ce>Lu\]

    Correct Answer: B

    Solution :

    Correct order of ionic size is Sn > Ce > Lu > Yb.


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