The equilibrium `SO_(2)Cl_(2)(g) hArr SO_(2)(g)+Cl_(2)(g)` is attained at `25^(@)C` in a closed container and an inert gas, helium, is introduced. Which of the following statement is`//`are correct?
A. More chlorine is formed
B. Concentration of `SO_(2)` is reduced
C. More `SO_(2)C1_(2)` is formed
D. Concentration of `SO_(2)C1_(2)` and `C1_(2)` does not change
