Identify which test are positive (+) or negative (-) for β-D-glucopyranose? [Note: Here positive means respond to test and negative means not respond to test] 1. 2, 4-DNP 2. NH4OH/H+ 3. Tollen's test

Question

Identify which test are positive (+) or negative (-) for β-D-glucopyranose? [Note: Here positive means respond to test and negative means not respond to test]
1. 2, 4-DNP
2. NH4OH/H+
3. Tollen's test
4. NaHSO3

Prashant Kotian · Accepted Answer

Correct answer: C. O OH H H2C H OH H H OH H OH OH D Glucopyranose   gives positive Tollen's test and NH2OH/H+ due to presence of Hemiacetal linkage.

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