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Which formula represents a hydrocarbon? (1) C2H6 (3) C2H5Cl(2) C2H5OH (4) C2H6O

NY Chemistry Regents Exam Jan 2023

Which formula represents a hydrocarbon?

(1) C2H6 (2) C2H5OH

(3) C2H5Cl

(4) C2H6O

Solution: A hydrocarbon is a molecule that is composed of only hydrogens and carbons. Choice 1 is the correct answer. Other choices have other elements such as oxygen and chlorine.



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