JEE Main & Advanced Chemistry The s-Block Elements Question Bank Alkali Metals

  • question_answer Which of the following alkali metal ions has lowest ionic mobility in aqueous solution [KCET 2000]

    A) \[R{{b}^{+}}\]

    B) \[C{{s}^{+}}\]

    C) \[L{{i}^{+}}\]

    D) \[N{{a}^{+}}\]

    Correct Answer: B

    Solution :

    Mobility decreases from top to bottom because of the atomic size is increases.

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