What is alkyl radical? Md. Saifur Rahman Alkyl is a functional group of an organic chemical that contains only carbon and hydrogen atoms, which are arranged in a chain. You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?