(D) The hydration energy of $Mg^{2+}$ is significantly higher than that of $Mg^+$. This large release of energy during the hydration of the divalent i

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The hydration energy of the divalent magnesium ion is very high.

(D) The hydration energy of $Mg^{2+}$ is significantly higher than that of $Mg^+$. This large release of energy during the hydration of the divalent ion compensates for the energy required to remove the second electron,making $Mg^{2+}$ the stable form in aqueous solutions.

Class 11 Chemistry s-Block Elements Alkali metals

Easy

$Mg$ 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 energy of the divalent magnesium ion is very high.

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

s-Block Elements

Subtopic

Alkali metals

Match the following:

Compound Uses

$1$. $CaCO_3$ $a$. In preparation of oils and fats

$2$. $NaOH$ $b$. As an antiseptic

$3$. $Ca(OH)_2$ $c$. As an antacid

$4$. $NaHCO_3$ $d$. For making bleaching powder

Compound	Uses
$1$. $CaCO_3$	$a$. In preparation of oils and fats
$2$. $NaOH$	$b$. As an antiseptic
$3$. $Ca(OH)_2$	$c$. As an antacid
$4$. $NaHCO_3$	$d$. For making bleaching powder