Redox Reaction Quiz-1

In the reaction, $4Fe + 3O_2\longrightarrow 4Fe^{3+}+6O_2^-$ which of the following statements is incorrect?

The oxidation number of chlorine in HOCI is :

Which one of the following is not a redox reaction?

The oxidation state of iodine in $H_4IO^-_6$ is :

The oxide which cannot act as a reducing agent is :

Amongst the following, identify the species with an atom in +6 oxidation state :

The reaction, $3CIO^-(aq)\longrightarrow CIO_3^-+ 2CI^-(aq)$ is an example of

The oxidation state of iodine in $IPO_4$ is :

In alkaline medium, $H_2O_2$ reacts with $Fe^{3+}$and $Mn^{2+}$separately to give :

Oxidation state of oxygen in $KO_3$ and $Na_2O_2$ is :