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Atoms and Molecules — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
Write the molecular formulae for the following compounds.
Iron (III) sulphide.
✓

Answer

Oxidation state of sulphide is −2 and that of iron is given as +3. Therefore, to balance the charges, molecular formula will be Fe2S3.

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