Which of the following factor (s) affect the solubility of a gaseous solute in the fixed volume of liquid solvent?

(i) Nature of solute

(ii) Temperature

(iii) Pressure

a. (i) and (iii) at constant T

b. (i) and (ii) at constant p

c. (ii) and (iii)

d. Only (iii)
Choose the correct option

1. (a, b) 2. (b, c)
3. (c, d) 4. (a, d)