Question

Oxidation of thiosulphate $\left(S_2{O}_3^{2-}\right)$ ion by iodine gives

• A. $S{O}_3^{2-}$
• B. $S{O}_4^{2-}$
• C. $S_4{O}_6^{2-}$
• D. $S_2{O}_6^{2-}$

Answer 1

The correct option is C $S_4{O}_6^{2-}$

$2S_2{O}_3^{2-}+I_2\to S_4{O}_6^{2-}+2\Gamma$