Are the monosaccharides below enantiomers? If not, edit either molecule so that they are enantiomers. You may change them any way you like, as long as both drawings remain Fischer projections of monosaccharides with 6 or fewer carbons. If the two molecules are already enantiomers, check the No changes needed box below the drawing area. HO H -H No changes needed. -OH CH₂OH H H H -OH OH CH₂OH 'n X S Sm T +

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Chapter1: Chemical Foundations
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**Assessment of Monosaccharide Enantiomers**

The task is to determine whether the two monosaccharides depicted below are enantiomers. If they are not, you may modify either molecule in any manner necessary to ensure they are enantiomers, provided both diagrams remain Fischer projections of monosaccharides consisting of six or fewer carbon atoms.

For Already Existing Enantiomers:
- If the molecules already exist as enantiomers, select the option indicating "No changes needed" below the diagram box.

**Molecular Structures:**

- **Left Molecule:**
  - Structure: Fischer projection
  - Contains an aldehyde group at the top (H-C=O) and a primary alcohol group at the bottom (CH₂OH)
  - Hydroxyl groups (OH) are positioned on the left at C2 and right at C3

- **Right Molecule:**
  - Structure: Fischer projection
  - Contains an aldehyde group at the top (H-C=O) and a primary alcohol group at the bottom (CH₂OH)
  - Hydroxyl groups (OH) are positioned on the right at C2 and right at C3

**Note:**
- A checkbox labeled "No changes needed" is available if the structures are already enantiomers.

Consider the definitions and properties of enantiomers—molecules that are non-superimposable mirror images of each other—to guide any modifications.
Transcribed Image Text:**Assessment of Monosaccharide Enantiomers** The task is to determine whether the two monosaccharides depicted below are enantiomers. If they are not, you may modify either molecule in any manner necessary to ensure they are enantiomers, provided both diagrams remain Fischer projections of monosaccharides consisting of six or fewer carbon atoms. For Already Existing Enantiomers: - If the molecules already exist as enantiomers, select the option indicating "No changes needed" below the diagram box. **Molecular Structures:** - **Left Molecule:** - Structure: Fischer projection - Contains an aldehyde group at the top (H-C=O) and a primary alcohol group at the bottom (CH₂OH) - Hydroxyl groups (OH) are positioned on the left at C2 and right at C3 - **Right Molecule:** - Structure: Fischer projection - Contains an aldehyde group at the top (H-C=O) and a primary alcohol group at the bottom (CH₂OH) - Hydroxyl groups (OH) are positioned on the right at C2 and right at C3 **Note:** - A checkbox labeled "No changes needed" is available if the structures are already enantiomers. Consider the definitions and properties of enantiomers—molecules that are non-superimposable mirror images of each other—to guide any modifications.
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