Correlate the structures of the standard food dyes to their relative position in the paper chromatogram. Refer to the structures shown below.

Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter2: Resolution Of Matter Into Pure Substances, I.paper Chromatography
Section: Chapter Questions
Problem 2ASA
icon
Related questions
Question
ef
Correlate the structures of the standard food dyes to their relative position in
the paper chromatogram. Refer to the structures shown below.
H3C.
*Na O
O
HO.
O
CH3
Allura Red AC (pigment in red dye)
01510
106
FO
O Nat
O Nat
O Nat
FO
O Na+
0=8=0
HO
0=S=0
Na
Na+
Tartrazine
(pigment in yellow dye)
Brilliant Blue FCF (pigment in blue dye)
What are the identities of the unknowns in paper chromatography of food
dyes? How did you arrive at this conclusion?
Differentiate normal phase chromatography from reverse phase chromatography.
From which of the two governs the experiment you did in thin layer
chromatography of plant pigments? How do you say so?
Transcribed Image Text:ef Correlate the structures of the standard food dyes to their relative position in the paper chromatogram. Refer to the structures shown below. H3C. *Na O O HO. O CH3 Allura Red AC (pigment in red dye) 01510 106 FO O Nat O Nat O Nat FO O Na+ 0=8=0 HO 0=S=0 Na Na+ Tartrazine (pigment in yellow dye) Brilliant Blue FCF (pigment in blue dye) What are the identities of the unknowns in paper chromatography of food dyes? How did you arrive at this conclusion? Differentiate normal phase chromatography from reverse phase chromatography. From which of the two governs the experiment you did in thin layer chromatography of plant pigments? How do you say so?
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Micelles and Biological Membranes
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemical Principles in the Laboratory
Chemical Principles in the Laboratory
Chemistry
ISBN:
9781305264434
Author:
Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:
Brooks Cole