Use the following to answer the questions below:
For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all.
-Molecular formula of C₃H₆O₂

Question

Quizplus · Accepted Answer

The molecular formula indicates that there are 13 carbon atoms, which can be arranged in different ways to form constitutional isomers. The presence of multiple sulfur atoms also adds to the complexity of the isomerism. By using the formula (2^n), where n is the number of non-equivalent carbon atoms, we can estimate the number of isomers. In this case, there are 10 non-equivalent carbon atoms, so the number of isomers is 2^10 or 1024. However, we need to take into account the symmetry of the molecule, which reduces the number of isomers. After analyzing the molecule, we can identify three different structures, which are shown below:

1. CS1U1B13S1U1B0HS1U1B16S1U1B0OS1U1B12S1U1B0
2. CS1U1B12S1U1B0HS1U1B16S1U1B0OS1U1B13S1U1B0
3. CS1U1B12S1U1B0HS1U1B15S1U1B1OS1U1B13S1U1B0

Therefore, the answer is B) three.

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