Question 1:

What is the IUPAC name for the compound CH3CH2CH(CH3)CH2CH3?

Explanation: The correct answer is A) 2,2-dimethylhexane. The compound has a six-carbon chain with a methyl group attached to the second carbon and a methyl group attached to the fifth carbon.

Question 2:

What is the IUPAC name for the compound CH3CH2COOH?

Explanation: The correct answer is B) Acetic acid. The compound CH3CH2COOH is commonly known as acetic acid or ethanoic acid.

Question 3:

What is the IUPAC name for the compound CH3CH2CH2OH?

Explanation: The correct answer is A) Propan-1-ol. The compound CH3CH2CH2OH is propan-1-ol because the hydroxyl group (-OH) is attached to the first carbon of the propane chain.

Question 4:

What is the IUPAC name for the compound CH3CH2CHO?

Explanation: The correct answer is A) Ethanal. The compound CH3CH2CHO is ethanal, also known as acetaldehyde.

Question 5:

What is the IUPAC name for the compound CH3CH2CH2COCH3?

Explanation: The correct answer is A) Butanone. The compound CH3CH2CH2COCH3 is butanone, also known as methyl ethyl ketone.