Question

(c) h₃c—hc—c—ch—ch₃
ch₃ ch₃

aromatic
amine
carboxylic acid
alkyne
ester
ketone
alcohol
aldehyde
ether
alkane
alkene

Explanation:

• Aromatic compounds have a benzene - like ring structure (not present here).
• Amines have an - NH₂ or related nitrogen - containing functional group (not present).
• Carboxylic acids have a - COOH group (not present).
• Alkynes have a carbon - carbon triple bond (not present).
• Esters have a - COO - group (not present).
• Ketones have a - CO - group (not present).
• Alcohols have an - OH group (not present).
• Aldehydes have a - CHO group (not present).
• Ethers have an - O - group (not present).
• Alkanes have only single - bonded carbon atoms (all carbon - carbon bonds here are single bonds).
• Alkenes have a carbon - carbon double bond (not present).

Answer:

alkane