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AgNO(3)overset(Delta)(rarr)(W)+(X)+O(2) ...

`AgNO_(3)overset(Delta)(rarr)(W)+(X)+O_(2)`
`(X)+H_(2)OrarrHNO_(2)+HNO_(3)`
`(W)+HNO_(3)rarrY+NO+H_(2)O`
`(Y)+Na_(2)S_(2)O_(3)("excess")rarr(Z)+NaNO_(3)`

A

`W=Ag,X=N_(2)O,Y=AgNO_(3),Z=Na_(2)[Ag(S_(2)O_(3))_(2)]`

B

`W=Ag_(2)O,X=NO,Y=AgNO_(3),Z=Na_(3)[Ag(S_(2)O_(3))_(2)]`

C

`W=Ag,X=NO_(2),Y=AgNO_(3),Z=Na_(2)[Ag(S_(2)O_(3))_(2)]`

D

`W=Ag_(2)O,X=N_(2),Y=AgNO_(3), Z=Na[Ag(S_(2)O_(3))_(2)]`

Text Solution

Verified by Experts

The correct Answer is:
C
`AgNO_(3)overset(Delta)to underset((W))(Ag)+underset((X)(NO_(2))+(1)/(2)O_(2)`
`underset((X))(NO_(2))+H_(2)O to HNO_(2)+HNO_(3)`
`underset((W))(3Ag)+4HNO_(3) to 3AgNO_(3)+NO+2H_(2)O`
`AgNO_(3)+2Na_(2)S_(2)O_(3) to Na_(2)[Ag(S_(2)O_(3))_(2)]+NaNO_(3)`
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