Question

Select the redox reaction (with Explanation)
(1) CaCO 3 CaO + CO2
(ii) KCIO, 4 >KCI+ O2
(ii) Rusting of iron
(iv) Barium chloride solution mixed with sodium
sulphate solution.​

Answer 1

Answer:

Hey dear ur answer is option 2:-RUSTING OF IRON

Answer 2

Answer:

Hi aakashian here is your answer I know only of 2 please mark me as brainiest

Explanation:

Reaction (ii), decomposition of potassium chlorate,  is  a redox reaction as oxygen is removed from chlorate to give potassium chloride.

Reaction (iii), rusting of iron, is a redox reaction as iron combines with oxygen to form ferric oxide,  4Fe  +  3O2   →      2Fe2O3