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JEE Main20208 Jan 2020Morning ShiftChemistryBiomoleculesActual

Which of the following statement is not true for glucose?

Options

  1. AGlucose exists in two crystalline forms α and β
  2. BGlucose gives Schiff’s test for aldehyde
  3. CGlucose reacts with hydroxylamine to form oxime
  4. DThe pentaacetate of glucose does not react with hydroxylamine to give oxime

Correct answer

B. Glucose gives Schiff’s test for aldehyde

Step-by-step solution

Open chain form of glucose is very very small, hence does not gives Schiff's test.

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