- Identify the purpose of each test in the space provided. a) Benedict’s test b) Seliwanoff's test c) Iodine test

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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7.
QUALITATIVE ANALYSIS OF
CARBOHYDRATES
PRELAB QUESTIONS
NAME
1. Identify the purpose of each test in the space provided.
a) Benedict's test
b) Seliwanoff's test
c) Iodine test
2. A student ran an analysis on an unknown carbohydrate and observed the following results.
The Benedict's test turned cloudy and the color changed from blue to brick red. The
Sweliwanoff's test produced a light pink color after heating. The solution in the iodine test
did not change color.
a) Does the sugar contain an aldehyde or ketone? If so, which one?
b) Is the unknown or simple or complex carbohydrate?
601
Transcribed Image Text:7. QUALITATIVE ANALYSIS OF CARBOHYDRATES PRELAB QUESTIONS NAME 1. Identify the purpose of each test in the space provided. a) Benedict's test b) Seliwanoff's test c) Iodine test 2. A student ran an analysis on an unknown carbohydrate and observed the following results. The Benedict's test turned cloudy and the color changed from blue to brick red. The Sweliwanoff's test produced a light pink color after heating. The solution in the iodine test did not change color. a) Does the sugar contain an aldehyde or ketone? If so, which one? b) Is the unknown or simple or complex carbohydrate? 601
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