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Na(2)SO(3) + HCl rarr Na(2)SO(4) + H(2)O...

`Na_(2)SO_(3) + HCl rarr Na_(2)SO_(4) + H_(2)O+X`
`X + Na_(2) S overset( Delta )(rarr) S+Y`
`Y + I_(2) rarr NaI +'Z'`

A

`H_(2)SO_(4)`

B

`H_(2)SO_(8)`

C

`H_(2)S_(4)O_(6)`

D

`H_(2)SO_(5)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Na_(2)SO_(3) underset("HCl")overset(dil)(rarr)Na_(2)SO_(4) + underset("(X)")(SO_(2)) + H_(2)O`
`underset("(X)")(3SO_(2))+2Na_(2)S rarr S + underset("(Y)")(2Na_(2)S_(2)O_(3))`
`underset("(Y)")(2Na_(2)S_(2)O_(3)) + I_(2) rarr underset("(Z)")(Na_(2)S_(4)O_(6)) + 2NaI `
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