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Oxidation Number Calculation Rules

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Questions and Answers

What is the average oxidation number of the four sulfur atoms in the species S4O6?

4.5

2.5 (correct)

When an element shows a fractional oxidation state in a compound, what should be understood about this value?

It indicates a mistake in the compound's formula.

It is always exactly half of the total oxidation state.

It represents the highest possible oxidation state.

It is the average oxidation number. (correct)

Which term is used to describe compounds like Fe3O4 and Mn3O4 that exhibit fractional oxidation states?

Fractional mixtures

Mixed oxides (correct)

Redox oxides

Fractionated compounds

What is the oxidation state of oxygen in O2+?

+1/2 Signup and view all the answers

When writing equations for oxidation-reduction reactions using the oxidation number method, why is it important to know the formulas of reactants and products?

To balance the equation properly Signup and view all the answers

In which species does each sulfur atom have an individual oxidation state of +5?

S4O6 Signup and view all the answers

What can we conclude about the idea of fractional oxidation state based on the text?

It is a useful concept to understand average oxidation numbers. Signup and view all the answers

'The reality is revealed by structures only.' What does this statement imply about determining oxidation states?

Structural formulas are necessary to determine exact oxidation states. Signup and view all the answers

'Oxidation Number Method' is best illustrated by following which steps?

'Step 1: Write down formulas for reactants and products.' Signup and view all the answers

'Fe3O4' is an example of a compound with what specific characteristic?

+3 oxidation state for iron Signup and view all the answers