Which of the following is correct ?
Aqueous solution of `Na_2S_2O_3` on reaction with `Cl_2` gives ?
(a) `Na_2S_4O_6`
(b) `NaHSO_4`
(c) `NaCl`
(d) `NaOH`
(ii) Acidic solution of `Na_(2)S_(2)S_(2)O_(3)` on reaction with `Cl_(2)` gives
(a) `Na_(2)S_(4)O_(6)`
(b) `NaHSO_(4)`
`NaSO_(4)`
(d) `NaOH`
(iii) Basic solution of `Na_(2)S_(2)O_(3)` on reaction with `Cl_(2)` gives
(a) `NaOH`
(b) `Na_(2)S_(4)O_(6)`
(c) `Na_(2)SO_(4)^(oplus)`
(d) `NaHSO_(4)`

Options

A. `Na_2S_4O_6`
B. `NaHSO_4`
C. NaCl
D. NaOH

Answer

B

Explanation

`Na_2S_2O_3+4Cl_2 + 5H_2O to 2 NaHSO_4 +8HCl`