MCQ
Which of the following is not optically active?
- AGlycine
- BLysine
- CAspartic acid
- DIsoleucine
✓
Answer
- Glycine
Explanation:
Glycine is not optically active.
A optically active compound should have atleast one carbon atom attached to four different groups.
Glycine is not active because it has carbon atom attached to 2 hydrogen atoms, 1 amino group and 1 carboxylic group.
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