Oxidation number of potassium in K₂O, K₂O₂... | Redox Reactions

JEE MAIN 2020

07-01-20 S1

Question

Oxidation number of potassium in $\mathrm{K}_2 \mathrm{O}, \mathrm{K}_2 \mathrm{O}_2$ and $\mathrm{KO}_2$, respectively, is

Select the correct option:

+1, +2 and +4

$+2,+1$ and $+\frac{1}{2}$

+1, +4 and +2

+1, +1 and +1

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Alkali metals show an oxidation state of +1 in their compounds.

Question Tags

JEE Main

Chemistry

Easy

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