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JEE Main 20208 JanuaryMorning Shift
Exam
JEE Main
Year
2020
Date
8 January
Shift
Morning Shift
Subject
Chemistry
Chapter
Biomolecules

JEE Main 2020 · 8 January · Morning Shift · Chemistry · Biomolecules

Which of the following statement is not true for glucose?

Which of the following statement is not true for glucose?

Options

  1. AGlucose exists in two crystalline forms α\alpha and β\beta
  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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