Propylene gas formula is which of the following?

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Multiple Choice

Propylene gas formula is which of the following?

Explanation:
Propylene (propene) is a three-carbon, unsaturated hydrocarbon. For alkenes, the formula follows the pattern CnH2n, so with three carbons you get C3H6. That matches propylene’s structure and composition. The other formulas don’t fit propylene: C2H4 has only two carbons, C3H8 is propane which is fully saturated with eight hydrogens, and CH4 is methane with a single carbon and four hydrogens.

Propylene (propene) is a three-carbon, unsaturated hydrocarbon. For alkenes, the formula follows the pattern CnH2n, so with three carbons you get C3H6. That matches propylene’s structure and composition. The other formulas don’t fit propylene: C2H4 has only two carbons, C3H8 is propane which is fully saturated with eight hydrogens, and CH4 is methane with a single carbon and four hydrogens.

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