`Cl_2`, `Br_2` and `I_2` react with `Na_2S_2O_3`. Pick out the correct statement from the following
A. All these react in a similar way
B. `Cl_2` reacts differently
C. `Br_2` reacts differently
D. `I_2` reacts differently.

5 views

1 Answers

Correct Answer - D
`Cl_2 and Br_2` with `Na_2S_2O_3` gives `Na_2SO_4` and S.
`Cl_2 +Na_2S_2O_3 + H_2O to Na_2SO_4 + S+2HCl`
`I_2` gives sod. tetrathionate with `Na_2S_2O_3`
`I_2 + 2Na_2S_2O_3 to Na_2S_4O_6 +2NaI`

5 views