Question

The optically active tartaric acid is named as D - (+) tartaric acid because it has a positive

• A. optical rotation and is derived from D - glucose
• B. optical rotation and is derived from D - glyceraldehyde
• C. optical rotation and is derived from substituted optical rotation
• D. optical rotation when substituted by deuterium

Hint:

Optically active compounds rotate light, and the source of such activity can be traced to their precursor structures.

Answer 1

The Correct Option is B

Step 1: Understand the concept of optical activity.
Optically active compounds rotate the plane of polarized light. D- (+) tartaric acid is derived from D-glyceraldehyde and shows optical rotation.
Step 2: Conclusion.
Thus, D - (+) tartaric acid is optically active and derived from D - glyceraldehyde.
Final Answer: \[ \boxed{\text{optical rotation and is derived from D - glyceraldehyde}} \]