MCQ
The Fischer projection of $D$-erythrose is shown below.
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$D$-Erythrose and its isomers are listed as $P , Q , R$, and $S$ in Column-$I$. Choose the correct relationship of $P , Q , R$, and $S$ with D-erythrose from Column $II$.
(image)
- A$P \rightarrow 2, Q \rightarrow 3, R \rightarrow 2, S \rightarrow 2$
- B$P \rightarrow 3, Q \rightarrow 1, R \rightarrow 1, S \rightarrow 2$
- ✓$P \rightarrow 2, Q \rightarrow 1, R \rightarrow 1, S \rightarrow 3$
- D$P \rightarrow 2, Q \rightarrow 3, R \rightarrow 3, S \rightarrow 1$
