$L$-isomer of tetrose $X \left( C _4 H _8 O _4\right)$ gives positive Schiff's test and has two chiral carbons. On acetylation. ' $X$ ' yields triacetate. ' $X$ ' also undergoes following reactions
$' A ^{\prime} \stackrel{ HNO _3}{\longrightarrow} X ^{\prime} \stackrel{ NaBH _4}{\longrightarrow} \underset{\text { Chiral compound }}{\text { } B ^{}}$ $X$ is $.......$.
Determine the absolute configurations of the labeled carbons ($a$ and $b$)
The isomers which can be converted into another forms by rotation of the molecules around single bond are
The optically inactive compound from the following is
Which of the following acids does not exhibit optical isomerism?
Total number of stereo isomers possible for the given structure:
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