Q

Which of the following is an unsaturated hydrocarbon?

ALP CBT-1, 14-Aug-18 S-1 2018
✓ Answer: A Ethyne
Unsaturated hydrocarbons are hydrocarbons that contain at least one double or triple bond between carbon atoms. Saturated hydrocarbons are hydrocarbons that only have single bonds between carbon atoms. Ethyne (C2H2) has a triple bond between the two carbon atoms, making it unsaturated. Propane (C3H8), Butane (C4H10), and Pentane (C5H12) all have carbon atoms connected by single bonds, making them saturated.
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