Match the qualitative test results to the sample identity in the table below. Give its structure and reaction profile matching rationale. Table 1. Results of the Qualitative Tests of Unknown Carbohydrates Sample No. 1 Benedict's Test Light blue solution Rust-colored precipitates | Brown solution Rust-colored precipitates | Brown solution Light blue solution Rust-colored precipitates Brown solution Light blue solution Lugol's Test Brown solution Barfoed's Test Light blue solution Brick-red precipitates Light blue solution Light blue solution Brick-red precipitates Light blue solution Seliwanoff's Test Colorless solution Cherry-red solution Colorless solution Colorless solution Colorless solution 2 3 4 Blue-black solution Colorless solution Blue-brown solution Table 2. Sample Identity, Structure, and Reaction Profile Matching Rationale Reaction Profile Matching Rationale Sample Identity Sample No. Carbohydrate Structure Sweet potato tuber extract Xylulose Chicken liver extract Trehalose L-arabinose Maltose
Match the qualitative test results to the sample identity in the table below. Give its structure and reaction profile matching rationale. Table 1. Results of the Qualitative Tests of Unknown Carbohydrates Sample No. 1 Benedict's Test Light blue solution Rust-colored precipitates | Brown solution Rust-colored precipitates | Brown solution Light blue solution Rust-colored precipitates Brown solution Light blue solution Lugol's Test Brown solution Barfoed's Test Light blue solution Brick-red precipitates Light blue solution Light blue solution Brick-red precipitates Light blue solution Seliwanoff's Test Colorless solution Cherry-red solution Colorless solution Colorless solution Colorless solution 2 3 4 Blue-black solution Colorless solution Blue-brown solution Table 2. Sample Identity, Structure, and Reaction Profile Matching Rationale Reaction Profile Matching Rationale Sample Identity Sample No. Carbohydrate Structure Sweet potato tuber extract Xylulose Chicken liver extract Trehalose L-arabinose Maltose
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
Related questions
Question
Match the qualitative test results to the sample identity in the table below. Give its structure and reaction profile matching rationale.

Transcribed Image Text:Match the qualitative test results to the sample identity in the table below. Give its structure and
reaction profile matching rationale.
Table 1. Results of the Qualitative Tests of Unknown Carbohydrates
Barfoed's Test
Light blue solution
Brick-red precipitates
Light blue solution
Light blue solution
Brick-red precipitates
Light blue solution
Seliwanoff's Test
Benedict's Test
Light blue solution
Rust-colored precipitates Brown solution
Rust-colored precipitates Brown solution
Light blue solution
Rust-colored precipitates | Brown solution
Light blue solution
Sample No.
Lugol's Test
Brown solution
1
Colorless solution
2
Cherry-red solution
3
Colorless solution
4
Colorless solution
Blue-black solution
Colorless solution
Colorless solution
5
Blue-brown solution
Table 2. Sample Identity, Structure, and Reaction Profile Matching Rationale
Sample Identity
Sample
Carbohydrate Structure
Reaction Profile Matching
No.
Rationale
Sweet potato tuber
extract
Xylulose
Chicken liver extract
Trehalose
L-arabinose
Maltose
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