In the following sequence in aqueous solution, the species X, Y and Z, respectively, are
`S_(2)O_(3)^(2-) overset(Ag^(+))rarrunderset(("Clear solution"))X overset (Ag^(+))rarr underset(("White ppt."))Y overset("With time")rarr underset(("Black ppt."))Z`
A. `[Ag(S_(2)O_(3))_(2)]^(3-), Ag_(2)S_(2)O_(3), Ag_(2)S`
B. `[Ag(S_(2)O_(3))_(3)]^(5-), Ag_(2)SO_(3), Ag_(2)S`
C. `[Ag(SO_(3))_(2)]^(3-), Ag_(2)S_(2)O_(3), Ag`
D. `[Ag(SO_(3))_(3)]^(3-), Ag_(2)SO_(4), Ag`
