Questions: Classify this Fischer projection as a D- or L-enantiomer.

Classify this Fischer projection as a D- or L-enantiomer.
Transcript text: Classify this Fischer projection as a D- or L-enantiomer.
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Solution

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Solution Steps

Step 1: Locate the chiral center farthest from the carbonyl group.

The chiral center farthest from the carbonyl group (C=O) determines whether the molecule is D or L. In this case, it's the second to last carbon atom, the one attached to the CH2OH group.

Step 2: Determine the position of the OH group on the chiral center.

The OH group on this carbon is on the right side in the Fischer projection.

Step 3: Correlate OH position to D or L configuration.

In a Fischer projection, if the OH group on the chiral carbon farthest from the carbonyl group points to the right, it's a D-enantiomer. If it points to the left, it's an L-enantiomer.

Final Answer: The correct answer is A, D-enantiomer.

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