Question

Hydrogen peroxide oxidises thiosulphate ion to:-

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

Answer 1

Answer: (B)

$S_2{O}_3^{2-}+4H_2{O}_2\to 2S{O}_4^{2-}+3H_{2}O+2H^{+}$