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Which of the following is arranged in the order of increasing radius of ions in aqueous solution?

Option 1 -

Li+ < Na+ < K+ < Rb+ < Cs+

Option 2 -

Cs+ < Rb+ < K+ < Na+ < Li+

Option 3 -

Rb+ < Na+ < Li+ < Cs+ < K+

Option 4 -

Cs+ < K+ < Rb+ < Li+ < Na+

0 1 View | Posted 3 weeks ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    3 weeks ago
    Correct Option - 2


    Detailed Solution:

    Li+ has the highest hydration enthalpy.

    Hence it is most hydrated

    Therefore Correct order of hydrated radii is Cs+ < Rb+ < K+ < Na+ < Li+

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