Question

Calculate the oxidation states of sulphur,oxygen and manganese elements from
sulphuric acid, hydrogen peroxide and potassium permanganate.

Answer 1

Answer:

a) +6

b) -1

c) +7

Explanation:

Answer 2

Answer:

Oxidation states are straightforward to work out and to use, but it is quite difficult to define what they are in any quick way.

Explaining what oxidation states (oxidation numbers) are

Oxidation states simplify the whole process of working out what is being oxidised and what is being reduced in redox reactions. However, for the purposes of this introduction, it would be helpful if you knew about:

oxidation and reduction in terms of electron transfer

electron-half-equations

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