The ionic radius of | Periodic Table

JEE MAIN 2021

18-03-21 S1

Question

The ionic radius of $\mathrm{Na}+$ ions is 1.02 Å.. The ionic radii (in Å. ) of $\mathrm{Mg}^{2+}$ and $\mathrm{Al}^{3+}$, respectively, are-

Select the correct option:

1.05 and 0.99

0.72 and 0.54

0.85 and 0.99

0.68 and 0.72

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

The ionic radii order is
$\mathrm{Na}^{+}>\mathrm{Mg}^{2+}>\mathrm{Al}^{3+}$

Question Tags

JEE Main

Chemistry

Easy

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