The reaction of bromine water with $SO_2$ produces .......

For the reaction: $KClO_3 + 6FeSO_4 + 3H_2SO_4 \to KCl + 3Fe_2(SO_4)_3 + 3H_2O$. Which of the following statements is true $(T)$ or false $(F)$ regarding the nature of the reaction? The reaction is complex.

In acidic medium,iodide $(I^{-})$ is oxidized to iodine $(I_2)$ by $KMnO_4$. What is the change in the oxidation number of manganese in this reaction?

The heating of $(NH_4)_2Cr_2O_7$ produces another chromium compound along with $N_2$ gas. The change of the oxidation state of $Cr$ in the reaction is

Assign $A, B, C, D$ from the given type of reaction:
$5CO(g) + I_2O_5(s) \longrightarrow 5CO_2(g) + I_2(s)$

Which of the following reactions involves oxidation-reduction?