NTA Abhyas NEET2020ChemistryBiomoleculesPractice
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
Options
- A1, 2
- B2, 3
- C2, 4
- D1, 2, 3, 4
Correct answer
C. 2, 4
Step-by-step solution
Statement 1. Correct 2. Incorrect- Including fructose all monosaccharides give the fehling's test 3. Correct 4. Incorrect- Glucose & mannose are epimers not anomers.