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Redox Reactions

Question

Wired Faculty App

What is the oxidation number of iron in Fe₃O₄?

Solution

Let x be the oxidation number of Fe.
Oxidation state of oxygen = -2
Thus,
3x + 4(-2) = 0
or
3x - 8 = 0
x = 8/3

Some More Questions From Redox Reactions Chapter

Can oxidation occur without reduction?

What are redox reactions?

What are direct redox reactions? Give one example.

What are indirect redox reactions?

Write formulas for the following compounds:
(a) Mercury (II) chloride
(b) Nickel (II) sulphate
(c) Tin (IV) oxide
(d) Thallium (I) sulphate
(e) Iron (III) sulphate
(f) Chromium (III) oxide

What are electrolytes?

What are cations and anions?

What is electrolysis?

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