MCQ
$L$-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 $.......$.
- A

- ✓

- C

- D


