All structures given below are of vitamin C. Most stable of them is:
Biomolecules · Class 12 · JEE Main Previous Year Question
All structures given below are of vitamin C. Most stable of them is:
- a✓
Option a
- b
Option b
- c
Option c
- d
Option d
Option a
Step 1: Vitamin C Identity — Vitamin C () is a bicyclic gamma-lactone that functions as a powerful antioxidant.
Step 2: Structural Stability — The standard structure (a) represents the naturally occurring enantiomer and exhibits the most stable tautomeric/conformation profile.
Step 3: Result — Comparison with related structures identifies (a) as the primary, most stable form of this vital nutrient. Correct option is (a).
Key Point: Ascorbic acid possesses an enediol functional group responsible for its reducing properties.
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