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Passage - I : Yellow solid 'A' is...

Passage - I :

Yellow solid 'A' is

A

`H_(2)SO_(5)`

B

S

C

`S_(2)O_(7)`

D

None of these

Text Solution

Verified by Experts

`S+underset((A))(6HNO_(3))to underset((aq))(H_(2)SO_(4))+underset((B))(6NO_(2(g)))+2H_(2)O`
`underset((A))(Na_(2)SO_(3))+S to underset((C ))(Na_(2)S_(2)O_(3))`
`underset((C ))(Na_(2)S_(2)O_(3))+2HCl to 2NaCl+SO_(2)+S+H_(2)O`
`therefore A=` sulphur , `B=NO_(2)` (Reddish Brown Gas) : `C=Na_(2)S_(2)O_(3)` (Hypo) , `D=SO_(2)` (Colour less gas) , E = Sulphur (PPT)
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