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Chemistry
Which of the following reactions establish difference between glucose and fructose?
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Q. Which of the following reactions establish difference between glucose and fructose?
Biomolecules
A
Tollen’s reagent reaction
39%
B
Phenyl hydrazine
24%
C
$P/HI$
0%
D
cone. $HNO_3$
37%
Solution:
Glucose $\xrightarrow{conc.HNO_3} COOH- (CHOH)_4-COOH$
Fructose $\xrightarrow{conc.HNO_3} HOOC- (CHOH)_2-COOH +HOCH_2 -COOH$