Correct order hydration| The s-Block Elements| JEE-Main 2023

JEE MAIN 2023

29-1-23

Question

The correct order of hydration enthalpies is (A) K+ (B) Rb+ (C) Mg2+ (D) Cs+ (E) Ca2+ Choose the correct answer from the options given below:

Select the correct option:

C > A > E > B > D

E > C > A > B > D

C > E > A > D > B

C > E > A > B > D

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Sol. Hydration enthalpies: (i) $\mathrm{K}^{+}>\mathrm{Rb}^{+}>\mathrm{Cs}_{\mathrm{ui}}^{+}(\mathrm{A})>(\mathrm{B})>$ (D) (ii) $\mathrm{Mg}^{+2}>\mathrm{Ca}^{+2} \cdot(\mathrm{C})>(\mathrm{E})$ Option (D) $$ (\mathrm{C})>(\mathrm{E})>(\mathrm{A})>(\mathrm{B})>(\mathrm{D}) $$

Question Tags

JEE Main

Physics

Easy

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