Which stresses will cause the concentration of chlorine gas toincrease? \mathrm{PCl}_{3}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g})<\mathrm{PCl}_{5} \text { i) increasing the temperature } ii) increasing the concentration of PCI3 iii) decreasing the pressure Question 7

options: a. i, ii, and iii b. i and ii only c. i and iii only d. ii and iii only