The optically active tartaric acid is named as $D-(+)-$ tartaric acid because it has a positive
Optical rotation and is derived from $D-$ glucose
$pH$ in organic solvent
Optical rotation and is derived from $D(+)$ glyceraldehyde
Optical rotation only when substituted by deuterium
Which of the following is $D-$ isomer
Which of the following is optically active
Which of the following may exist in enantiomorphs
$2$-chlorobutane $+\mathrm{Cl}_2 \rightarrow \mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$ (isomers)
Total number of optically active isomers shown by $\mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$, obtained in the above reaction is......................
$(D)$ & $(L)$ Configuration of above carbohydrate is