Polarities of analyte functional group increase in the order of hydrocarbon < ethers < esters < ketones < aldehydes < amides < amines < alcohols Arrange the order of elution [from shortest to longest retention time] for the following six compounds from an HPLC C18 column. C2H5OH CH3COCH3 CH3COOH CH3COOC2H5 C2H5OC2H5 (СН3)2NH O A. C2H5OH < CH3COOH < (CH3)2NH < CH3COCH3 < CH3COOC2H5

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Answered: Polarities of analyte functional group increase in the order of hydrocarbon < ethers < esters < ketones < aldehydes < amides < amines < alcohols Arrange the…

Chemistry

10th Edition

ISBN: 9781305957404

Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher: Cengage Learning

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Concept explainers

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is als…

Question

Polarities of analyte functional group increase in the order of
hydrocarbon < ethers < esters < ketones < aldehydes < amides < amines < alcohols
Arrange the order of elution [from shortest to longest retention time] for the following six compounds from an HPLC C18 column.
C2H5OH
CH3COCH3
CH3COOH
CH3COOC2H5 C2H50C2H5
(СН3)2NH
O A. C2H5OH < CH3COOH < (CH3)2NH < CH3COCH3 < CH3COOC2H5 <C2H50C2H5
O B. CH3COOH <C2H5OH < (CH3)2NH < CH3COCH3 < CH3COOC2H5 <C2H50C2H5
O C. C2H5OH < CH3COOH < (CH3)2NH < CH3COCH3 < C2H50C2H5 < CH3COC2H5
O D. CH3COOH <C2H5OH < (CH3)2NH < CH3COCH3 < C2H50C2H5 < CH3COOC2H5
O E. CH3COOH <C2H5OH < (CH3)2NH < CH3COOC2H5 < CH3COCH3 <C2H50C2H5

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