What is the chemical formula for propane?

Prepare for the CTR 156CT Propane Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What is the chemical formula for propane?

Explanation:
Propane belongs to the alkane family, which have the general formula CnH2n+2. With three carbon atoms (n = 3), the formula becomes C3H8. So propane is C3H8. The other formulas correspond to different hydrocarbons: C2H6 is ethane (two carbons), C4H10 is butane (four carbons), and C3H6 is an unsaturated hydrocarbon (propene or cyclopropane) that has fewer hydrogens than the alkane formula.

Propane belongs to the alkane family, which have the general formula CnH2n+2. With three carbon atoms (n = 3), the formula becomes C3H8. So propane is C3H8. The other formulas correspond to different hydrocarbons: C2H6 is ethane (two carbons), C4H10 is butane (four carbons), and C3H6 is an unsaturated hydrocarbon (propene or cyclopropane) that has fewer hydrogens than the alkane formula.

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