MCQ
Which $L$ -sugar on oxidation gives an optically active dibasic acid
- ✓

- B

- C

- D






As only $(a)$ and $(d)$ are $L$-sugar, $(b)$ and $(c)$ are $D$-sugar after oxidation.
$(a)$ (Refer to Image $1$)
As the product do not superimpose in its mirror image.
$(d)$ (Refer to Image $2$)
As it has plane of symmetry.
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