Which of the following are characteristics of normal-phase chromatography?  I - The stationary phase is polar.  II - The mobile phase is more polar than the stationary phase.  III - The eluent strength increases as the mobile phase becomes less polar.  IV - The eluent strength increases as the mobile phase becomes more polar.  V - the stationary phase is nonpolar.    Answers to choose from:  I and IV I, IV and V I and III II and IV II and V ...and why?

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question

Which of the following are characteristics of normal-phase chromatography? 

I - The stationary phase is polar. 

II - The mobile phase is more polar than the stationary phase. 

III - The eluent strength increases as the mobile phase becomes less polar. 

IV - The eluent strength increases as the mobile phase becomes more polar. 

V - the stationary phase is nonpolar. 

 

Answers to choose from: 

I and IV

I, IV and V

I and III

II and IV

II and V

...and why? 

Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY