In the results video, a 1% sucrose solution tested negative with Benedict’s solution (part B3).  In a separate experiment, 3 M HCl was added to the 1% sucrose solution, allowed to react for 30 minutes, then neutralized with sodium bicarbonate. The resulting solution tested positive with Benedict’s solution. Solution Benedict’s Test 1% sucrose (from B3) - 1% sucrose + HCl (above) + Which solution (the solution from B3 or the one treated with HCl) tested positive for reducing sugars? What are the products of the acid-catalyzed hydrolysis?

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter88: Column Chromatography
Section: Chapter Questions
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In the results video, a 1% sucrose solution tested negative with Benedict’s solution (part B3).  In a separate experiment, 3 M HCl was added to the 1% sucrose solution, allowed to react for 30 minutes, then neutralized with sodium bicarbonate. The resulting solution tested positive with Benedict’s solution.

Solution

Benedict’s Test

1% sucrose (from B3)

-

1% sucrose + HCl (above)

+

Which solution (the solution from B3 or the one treated with HCl) tested positive for reducing sugars? What are the products of the acid-catalyzed hydrolysis?

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