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Cl2, Br2 and I2 react with Na2S2O3. Pick...

`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.

Text Solution

Verified by Experts

The correct Answer is:
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`
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