Interpreting Chromatograms (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Where do less polar components travel on a TLC plate?
Where do less polar components travel on a TLC plate?
Further up the plate
What type of values do more polar components have in TLC?
What type of values do more polar components have in TLC?
Lower values
What determines the extent of separation in a TLC experiment?
What determines the extent of separation in a TLC experiment?
Relative solubilities in phases
What is the formula for calculating value?
What is the formula for calculating value?
Component distance / Solvent distance
What does a higher value indicate about a compound?
What does a higher value indicate about a compound?
Lower polarity
Which amino acid has an value of 0.61?
Which amino acid has an value of 0.61?
Leucine
If a spot travels 2.04 cm and solvent front is 4.63 cm, what is the value?
If a spot travels 2.04 cm and solvent front is 4.63 cm, what is the value?
0.44
Less polar molecules are more soluble in which phase?
Less polar molecules are more soluble in which phase?
Mobile phase
What is the stationary phase in TLC often made of?
What is the stationary phase in TLC often made of?
Silica or alumina
Which amino acid from the table is most polar?
Which amino acid from the table is most polar?
Aspartic acid