1.

Which one of the following is first member of monosaccharides ?

Answer»

`HOH_2C-OVERSET(O)overset(||)C-CH_2OH`
`HOH_2 C- CHOH - CHO`
`HOH_2C-CHOH - CHOH -CHO`
`HOH_2-CHOH-overset(O)overset(||)C-CH_2 OH`

ANSWER :B


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