A chemist studied the phenomenon of adsorption by putting blood charcoal in `KCL` solution. He observed difference in the behaviour with dilute `KCL` solution and with concentrated `KCL` solution. He also studied the adsorption of different gases on solid adsorbent and the effect of temperature on adsorption. He put forward a mathematical relationship relating `x//m` with equilibrium pressure.
Which of the following is correct ?