Functional Groups in Organic Chemistry

What is a functional group in organic chemistry?

• A group of atoms that influence the behavior of a hydrocarbon

• A single atom that changes the color of a compound

• A molecule that increases the boiling point of water

• A type of bond that is only found in metals

Which of the following is a characteristic of alcohols?

• They contain a double-bonded oxygen

• Their names end in 'ol'

• They are always acidic

• They contain a nitrogen atom

What is the structural feature of ethers?

• A nitrogen atom bonded to a carbon

• An oxygen atom between two carbons

• A double-bonded oxygen and a hydroxyl group

• A carbon atom bonded to three hydrogens

How can you identify a ketone?

• By the presence of a double-bonded oxygen

• By the presence of a nitrogen atom

• By the presence of a sulfur atom

• By the presence of a hydroxyl group

What is a distinguishing feature of aldehydes?

• They have a double-bonded oxygen and a hydrogen at the end

• They are always found in proteins

• They have a triple bond between carbons

• They contain a nitrogen atom

What do esters typically smell like?

• They have a metallic odor

• They are usually fragrant

• They smell like sulfur

• They have no smell

What is the common structural feature of amines?

• They have a hydroxyl group

• They contain a nitrogen atom

• They have a double-bonded oxygen

• They contain a sulfur atom

Which of the following is true about amines?

• They all end in 'ol'

• They contain a double-bonded oxygen

• They are nitrogen-containing compounds

• They are always acidic

What functional group is characterized by a carbon double-bonded to an oxygen and single-bonded to another oxygen?

• Aldehyde

• Ketone

• Ether

• Ester

How would you identify an aldehyde in a chemical structure?

• By the presence of a triple bond

• By the presence of a nitrogen atom

• By the presence of a double-bonded oxygen and a hydrogen

• By the presence of a sulfur atom