Which one of the following is NOT correct for monosaccharides?
$1 .$ They are optically active polyhydroxy carbonyl compounds
$2 .$ Fructose is ketose sugar and hence it does not give red precipitate with Fehling solution
$3 .$ $α$ -D(+) glucose and $β$ -D(+) glucose are anomers
$4 .$ Glucose and mannose are anomers

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Statement 1. Correct 2. Incorrect- Including fructose all monosaccharides give the fehling's test 3. Correct 4. Incorrect- Glucose & mannose are epimers not anomers.

Chemistry - Biomolecules Question with Solution | TestHub

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