What is the difference between 2H and H2?
(a) Define atomicity of a gas. (b) Differentiate between 2H and H2.
In the reaction Zn +2H+ +2Cl−⟶Zn+2+ 2Cl−+H2 the spectator ion
Zn+2H++2Cl−−−−−−−−>Zn2++2Cl−+H2