1.

Two aldopentoses X and Y give the same osazone derivative. X is oxidized to an optically inactive aldaric acid by dilute nitric acid. Ruff degradation of Y gave a tetrose which was similarly oxidized to an optically active aldaric acid. Assign the structures of X and Y from the following list ?

Answer»

`X-1 & Y-4`
`X-4 & Y=1`
`X-2 & Y=3`
`X=3 & Y=2`

SOLUTION :


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