JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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0.72 \mathrm{~gm}

of an oxide of a metal

\mathrm{M}

on reduction with

\mathrm{H}_2

gave

0.64 \mathrm{~g}

of the metal. The atomic weight of the metal is 64. The empirical formula of the compound is

View answer and explanation

Correct option: B

\mathrm{M}_2 \mathrm{O}

Option B (M₂O) is correct because the empirical formula is determined by calculating the mole ratio of the metal and oxygen, which simplifies to 2:1.

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