Which of the following statement is not true for glucose?

Question:

Which of the following statement is not true for glucose?

1. Glucose exists in two crystalline forms $\alpha$ and $\beta$

2. Glucose gives Schiff's test for aldehyde

3. Glucose reacts with hydroxylamine to form oxime The pentaacetate of glucose does not

4. react with hydroxylamine to give oxime

Correct Option: , 2

Solution:

Glucose exists in cyclic form in which aldehyde group is not free, therefore it does not give Schiff's test.