(D) The formation of $Mg^{2+}$ from $Mg$ involves the removal of two electrons. Although the second ionization enthalpy of $Mg$ is higher than the fir

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The hydration enthalpy of the divalent magnesium ion is very high

(D) The formation of $Mg^{2+}$ from $Mg$ involves the removal of two electrons. Although the second ionization enthalpy of $Mg$ is higher than the first,the energy required is compensated by the very high hydration enthalpy of the $Mg^{2+}$ ion in aqueous solution. This high hydration energy makes the $Mg^{2+}$ state much more stable than the $Mg^+$ state in water.

Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

$Mg$ forms $Mg^{2+}$ but not $Mg^+$. The reason is ........

A
Magnesium $(II)$ carbonate is insoluble in water
B
Metals generally prefer higher oxidation states
C
The ionic radius of $Mg(II)$ is smaller than that of $Mg(I)$
D
The hydration enthalpy of the divalent magnesium ion is very high

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$Mg$ forms $Mg^{2+}$ but not $Mg^+$. The reason is ........

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In the given figure,the potential difference between $A$ and $B$ is ............ $V$.

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