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Give reason for the following : (i) Gl...

Give reason for the following :
(i) Glucose does not give 2, 4 D.N.P. test or Schiff's reagent test.
(ii) Amino acids have high melting points and are water soluble.

Text Solution

Verified by Experts

Glucose has a cyclie structure in which `-CHO` group is not free because it forms a hemiacetal linka group `-OH` at `C-5`. Therefore, it does not give 2, 4-DNP test although it has `-CHO` group.
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