Illustrated Glossary of Organic Chemistry

Major product: The product that is produced in the greatest amount in a chemical reaction.


99% of product
Major product
1% of product
Minor product
When HBr is added to isobutylene, the product mixture consists mostly of 2-bromo-2-methylpropane (the major product), plus a small amount of 2-bromo-2-methylpropane (a minor product). This reaction obeys Markovnikov's rule.