Question:
Which carbon atoms of glucose in open chain structure numbered from \(\text{C} - 1\) to \(\text{C} - 6\) are NOT chiral?
Which carbon atoms of glucose in open chain structure numbered from \(\text{C} - 1\) to \(\text{C} - 6\) are NOT chiral?
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Terminal carbons (CHO and CH$_2$OH) are non-chiral.
Updated On: May 4, 2026
- \(\text{C} - 3\) and \(\text{C} - 4\)
- \(\text{C} - 1\) and \(\text{C} - 6\)
- \(\text{C} - 2\) and \(\text{C} - 4\)
- \(\text{C} - 4\) and \(\text{C} - 5\)
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The Correct Option is B
Solution and Explanation
Step 1: Structure of glucose.
• C1 → aldehyde carbon → not chiral
• C6 → \(CH_2OH\) → not chiral
Step 2: Chiral carbons. \[ C2, C3, C4, C5 → chiral \] Conclusion: \[ \text{Non-chiral carbons = C1 and C6} \]
• C1 → aldehyde carbon → not chiral
• C6 → \(CH_2OH\) → not chiral
Step 2: Chiral carbons. \[ C2, C3, C4, C5 → chiral \] Conclusion: \[ \text{Non-chiral carbons = C1 and C6} \]
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