IUPAC name of acraldehyde is ?

• (A) prop - 2 - en - 1 - al
• (B) propionaldehyde
• (C) But - 2 - en - 1 - al
• (D) propanal

The IUPAC name of acraldehyde is commonly known as propanal. This compound is an aldehyde with the molecular formula C3H6O. It is important to recognize the structure and naming conventions used in organic chemistry.

Options Breakdown

• (A) prop-2-en-1-al: This name refers to a different compound with a double bond.
• (B) propionaldehyde: This is another name for propanal, making it a correct choice.
• (C) but-2-en-1-al: This name indicates a four-carbon chain, which is not applicable here.
• (D) propanal: This is the correct IUPAC name for acraldehyde.

Final Answer

The correct answer is (D) propanal, which is the IUPAC name for acraldehyde.