1.

In the following reaction sequence in aqueous solution, the species X,Y and Z, respectively S_(2)O_(3)^(2-)overset(Ag^(+))(rarr)underset("clear solution")(X)overset(Ag^(+))(rarr)underset("white precipitate")(Y)overset("withtime")(rarr)underset(" black precipitate")(Z)

Answer»

`[AG(S_(2)O_(3))_(2)]^(3-), Ag_(2)S_(2)O_(3), Ag_(2)S`
`[Ag(S_(2)O_(3))_(3)]^(5-), Ag_(2)SO_(3), Ag_(2)S`
`[Ag(SO_(3))_(2)]^(3-), Ag_(2)S_(2)O_(2), Ag`
`[Ag(SO_(3))_(3)]^(3-), Ag_(2)SO_(4), Ag`

ANSWER :A


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