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Work Out the Formula for Sulphur Dioxide. (Valencies : S = 4 ; O = 2) - Science

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Short Note

Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)

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Solution

Valency of Sulphur = 4

Valency of Oxygen = 2

Elements : S O

Valencies : 4 2

Formula for sulphur dioxide can be worked out by crossing the valencies of the constituent elements.
Thus, formula of sulphur dioxide is S2O4. The formula has a common factor of 2; therefore, dividing the formula by the common factor gives us the simplest chemical formula: SO2.

Concept: Chemical Formula Or Molecular Formula
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 13 | Page 151

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