Question

In the laboratory preparation of Dihydrogen,which of the following species is oxidised?

• A. $Zn$
• B. $H_2$
• C. Both A and B
• D. None

Answer 1

The correct option is A $Zn$

The chemical reaction for laboratory preparation of water is shown below:

$Zn+H_{2}S{O}_4⟶ZnS{O}_4+H_2$,or

$Zn+HCl⟶ZnC{l}_2+H_2$

This shows that in either case,$Zn$ is being oxidised.