ChemistryWhich one of the following generally gets displaced by more electropositive metals in non-metal displacement reactions?

Which one of the following generally gets displaced by more electropositive metals in non-metal displacement reactions?

A
$H_{2}$
B
$N_{2}$
C
$F_{2}$
D
${Cl}_{2}$

Solution:

Many metals are capable of displacing hydrogen from acids or water (including those which do not react with cold water). Example,

$Zn + HCl \to {ZnCl}_{2} + H_{2}$

$Fe + HCl \to {FeCl}_{2} + H_{2}$

In both the cases hydrogen gets replaced by the more electropositive elements. Hence, we conclude that the highly electropositive metals in non-metal displacement reactions displaces H₂from acids and water.

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