Question

Identify combination of gases for which strengthens law of partial pressure pressure is applicable first nh3 and hcl second and its 3 and h2 s iii hcl and ph3 iv as a and n e

Answer 1

this is because when you mix HCl and NH3, they react to formNH4Cl which is a solid .As it react and forms solid product it does not obey law of partial pressure.

NH3 + HCl ---> NH4Cl