Question:
Identify the number of structure/s from the following which can be correlated to D-glyceraldehyde.
Identify the number of structure/s from the following which can be correlated to D-glyceraldehyde.
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When identifying stereoisomers, make sure to check the configuration at the chiral centers. D-glyceraldehyde specifically has a chiral center that defines its stereochemistry.
Updated On: Feb 6, 2025
- four
- three
- two
- one
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The Correct Option is C
Solution and Explanation
D-glyceraldehyde is the simplest monosaccharide with one chiral center. It is a three-carbon aldose with the following structural formula: \[ \text{CHO-CHOH-CHOH} \] Among the given structures:
- Structure (A) represents D-glyceraldehyde itself, as it matches the formula and configuration of D-glyceraldehyde.
- Structure (B) is an isomer, and the configuration matches that of D-glyceraldehyde.
- Structures (C) and (D) do not correlate to D-glyceraldehyde because they do not maintain the correct stereochemistry at the chiral center.
Thus, only two of the given structures (A) and (B) can be correlated to D-glyceraldehyde.
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