Which formula corresponds to Propane?

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Multiple Choice

Which formula corresponds to Propane?

Explanation:
Propane is a saturated hydrocarbon in the alkane family, so its formula follows the pattern CnH2n+2. With three carbon atoms (n = 3), the formula is C3H8. This fits propane’s structure, where all bonds are single bonds and each carbon completes its four-bond requirement with hydrogens, giving eight hydrogens in total. The other options correspond to different hydrocarbons: C3H6 would be propene with a double bond, C4H10 is butane with one more carbon, and C2H6 is ethane with fewer carbons.

Propane is a saturated hydrocarbon in the alkane family, so its formula follows the pattern CnH2n+2. With three carbon atoms (n = 3), the formula is C3H8. This fits propane’s structure, where all bonds are single bonds and each carbon completes its four-bond requirement with hydrogens, giving eight hydrogens in total. The other options correspond to different hydrocarbons: C3H6 would be propene with a double bond, C4H10 is butane with one more carbon, and C2H6 is ethane with fewer carbons.

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