organic definitions A1

Question 1

Define homologous series

Answer 1

• a series of compounds with the same functional groups
• but each successive member differing by CH2

Question 2

Define functional group

Answer 2

• a group of atoms
• responsible for the characteristic reactions of a compound

Question 3

Define aliphatic

Answer 3

• a compound containing carbon and hydrogen
• joined together
• in straight chains, branched chains or non-aromatic rings

Question 4

Define alicylic

Answer 4

• an aliphatic compound
• arranged in non-aromatic rings
• with or without side chains

Question 5

Define aromatic

Answer 5

• a compound containing a benzene ring

Question 6

Define structural isomers

Answer 6

• compound with the same molecular formula
• but different structural formula

Question 7

Define steroisomers

Answer 7

• compounds with the same structural formula
• but different arrangements of atoms in space