Which of the unknowns is a monosaccharide? Which of the unknowns is a polysaccharide? Explain your reasoning:

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Chapter1: Chemical Foundations
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Which of the unknowns is a monosaccharide? Which of the unknowns is a polysaccharide? Explain your reasoning:

1) Two unknown solutions (A and B) are tested using Benedict's reagent and Iodine
solution. They give the following results:
Test
Solution
Unknown A
Iodine
Benedict's
Unknown B
Unknown A
Unknown B
Observations
Solution immediately turns dark blue-black when
iodine is added.
Solution remains clear when iodine is added
Solution starts clear-blue when Benedict's is added
and remains through heating process.
Solution starts clear-blue when Benedict's is added,
then turned red-brown after heating.
Which of the unknowns is a monosaccharide?
Which of the unknowns is a polysaccharide?
Explain your reasoning:
Transcribed Image Text:1) Two unknown solutions (A and B) are tested using Benedict's reagent and Iodine solution. They give the following results: Test Solution Unknown A Iodine Benedict's Unknown B Unknown A Unknown B Observations Solution immediately turns dark blue-black when iodine is added. Solution remains clear when iodine is added Solution starts clear-blue when Benedict's is added and remains through heating process. Solution starts clear-blue when Benedict's is added, then turned red-brown after heating. Which of the unknowns is a monosaccharide? Which of the unknowns is a polysaccharide? Explain your reasoning:
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