An example of a non-stoichiometric compound is

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An example of a non-stoichiometric compound is

ChemistrySolid StateJEE Main

Options:

A $\mathrm{Al}_2 \mathrm{O}_3$
B $\mathrm{Fe}_3 \mathrm{O}_4$
C $\mathrm{NiO}_2$
D $\mathrm{PbO}$

Solution:

2501 Upvotes Verified Answer

The correct answer is: $\mathrm{Fe}_3 \mathrm{O}_4$

$\mathrm{Fe}_3 \mathrm{O}_4$ is a non-stoichiometric compound because in it the ratio of the cations to the anions becomes different from that indicated by the chemical formula.

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