1.

Aqueous solutions of Na_(2)S_(2)O_(3) on reaction with Cl_(2) gives

Answer»

`Na_(2)S_(4)O_(6)`
`NaHSO_(4)`
NaCl
NaOH

Solution :`Na_(2)S_(2)O_(3)+4Cl_(2)+5H_(2)Oto2NaHSO_(4)+8HCl`
HENCE,(B) is the correct ANSWER.


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