The optically active tartaric acid is named asD-(+)- tartaric acid because it has a positive [IIT-JEE 1999]

Optical rotation only when substituted by deuterium

Optical rotation and is derived from D-glucose

Optical rotation and is derived from D(+) glyceraldehyde

The optically active tartaric acid is named asD-(+)- tartaric acid bec

1.	The optically active tartaric acid is named asD-(+)- tartaric acid because it has a positive [IIT-JEE 1999]
A.	Optical rotation and is derived from D-glucose
B.	pH in organic solvent
C.	Optical rotation and is derived from D(+) glyceraldehyde
D.	Optical rotation only when substituted by deuterium
Answer» D. Optical rotation only when substituted by deuterium