Alkynes Alkenes 2 Alcohols 1 Alkanes 1 Amines 1 C2 C2 Hydrocarbon 1 Carbohydrates 1 Carboxylic acids 1 Chemistry 1 Ethers 1 Ketones 1 Organic 1 Organic chemistry 1 Organic chemistry problems 1 Phenols 1 Stereochemistry 1 Stereoisomerism 1 Structure 1 bonding 1