Which of the following is the correct IUPAC name for the compound with the formu

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Question: Which of the following is the correct IUPAC name for the compound with the formula C2H5-CHO?

Options:

Correct Answer: Acetaldehyde

Solution:

The compound is an aldehyde with two carbons, and its IUPAC name is Acetaldehyde.

Which of the following is the correct IUPAC name for the compound with the formula C2H5-CHO?

Which of the following is the correct IUPAC name for the compound with the formula C2H5-CHO?

Step 1: Identify the formula given, which is C2H5-CHO.
Step 2: Recognize that the 'CHO' part indicates the presence of an aldehyde functional group.
Step 3: Count the number of carbon atoms in the compound. C2H5 has 2 carbon atoms.
Step 4: Since there are 2 carbon atoms and it is an aldehyde, we can use the prefix 'eth-' for the two carbons.
Step 5: The suffix for aldehydes is '-al'. Combine the prefix and suffix to form the name.
Step 6: Therefore, the IUPAC name for the compound C2H5-CHO is 'Ethanal'.
Step 7: However, 'Acetaldehyde' is a common name for the same compound, which is also acceptable.

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