Which reaction does represent auto redox or disproportionation ?

Which reaction does not represent auto redox or disproptionation?

What does a.m.u. represent ?

Write chemical equations for the following reactions: Disproportionation of manganese (VI) in acidic solution.

What is meant by ‘disproportionation’? Give two examples of disproportionation reaction in aqueous solution.

What products are expected from the disproportionation reaction of hypochlorous acid ?

An exothermic reaction is represented by the greph :

An endothermic reaction is represented by the graph :

Name three oxoacids of nitrogen. Write the disproportionation reaction of that oxoacid of nitrogen in which nitrogen is in +3 oxidation state .