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Hydration Energy (Group 1)

The correct o...

Question

The correct order of hydration energy of alkaline earth metal ion is

A

$B e^{2 +} > M g^{2 +} > C a^{2 +} > S r^{2 +} > B a^{2 +}$

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B

$B a^{2 +} > B e^{2 +} > C a^{2 +} > M g^{2 +} > S r^{2 +}$

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C

$M g^{2 +} > B e^{2 +} > B a^{2 +} > C a^{2 +} > S r^{2 +}$

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D

None of these

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Solution

The correct option is A
$B e^{2 +} > M g^{2 +} > C a^{2 +} > S r^{2 +} > B a^{2 +}$

Higher the charge density, higher the hydration energy

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