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M("Salt")+"Dil. "HCl overset(Warm)to Pda...

`M("Salt")+"Dil. "HCl overset(Warm)to Pdarr+N uarr`
gas 'N' changes colour of `FeSO_(4)` solution into yellow solution then salt M in above reaction is

A

`BaS_(2)O_(3)`

B

`Ag_(2)SO_(3)`

C

`AgNO_(2)`

D

`Pb(NO_(3))_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`BaS_(2)O_(3)+HCl overset(warm) toBaCl_(2)+SO_(2)uarr overset(FeSO_(4)sol)to`No reaction hence solution remains green.
`Ag_(2)SO_(3)+HCl overset(warm)toAgCl darr+SO_(2)uarr overset(FeSO_(4)sol.)to`No reaction hence solution remains green.
`AgNO_(2)+HCl overset(warm) to AgCl darr+NO_(2) uarr underset(air)overset(FeSO_(4)sol.)Fe^(3+)(aq.)` (yellow sol.)
`impliesPb(NO_(3))_(2)` salt is not decompose by done HCl acid.
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