Chromatography - exam practice
Chromatography
Total marks:0 / 6
Question 1 of 6
1 of 6
The retention time in gas chromatography is the time it takes for a compound to pass through the chromatography column.
A column is packed with a stationary phase that is polar.
Which of the following will have the longest retention time in the column?
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Question 2 of 6
2 of 6
The diagram below shows a gas chromatogram.
Which statement about the gas chromatogram is correct?
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Question 3 of 6
3 of 6
What describes a substance with a high retention time in gas-liquid chromatography?
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Question 4 of 6
4 of 6
Which statement about gas-liquid chromatography is correct?
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Question 5 of 6
5 of 6
A chromatogram of two amino acids, A and B, is shown.
The Rf value of amino acid A is...
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Question 6 of 6
6 of 6
A chromatogram of two amino acids, A and B, is shown.
The Rf value of amino acid B is...
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