JEE Main 25 July 2021 Shift 1 Solved Paper

Section: Chemistry

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Question : 42 of 90

Marks: +1, -0

The ionic radii of K+,Na+,Al3+ and Mg2+ are in the order :

[25 Jul 2021 Shift 1]

Na+<K+<Mg2+<Al3+
Al3+<Mg2+<K+<Na+
Al3+<Mg2+<Na+<K+
K+<Al3+<Mg2+<Na+

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