OCR Chemistry A2 (F324 Unit 1 Module 3)

Answer these 11 questions in less than 2 minutes. DO NOT USE REVISION GUIDES OR NOTES!

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  • Created by: gug
  • Created on: 04-01-13 16:26
What is the process of separation in TLC (thin layer chromatography)?
Adsorption
1 of 10
What is the stationary phase?
The phase that doesn't move in chromatography
2 of 10
What is the stationary phase in TLC?
Solid
3 of 10
What is the mobile phase in TLC?
Liquid
4 of 10
What is the stationary phase in GC (gas chromatography)?
Liquid or solid
5 of 10
What is the mobile phase in GC?
Gas
6 of 10
What is the definition of retention time?
Time taken for the component to pass through the column to the detector
7 of 10
TMS (tetramethylsilane) is used in NMR because........
It is the reference value for chemical shifts
8 of 10
In Proton NMR, what does a quartet indicate?
Next to an environment with 3 H's in
9 of 10
What is the most distinguishable peak in an infrared spectrum of a Carboxylic acid?
The very broad peak between 2500-3300 cm-1
10 of 10

Other cards in this set

Card 2

Front

What is the stationary phase?

Back

The phase that doesn't move in chromatography

Card 3

Front

What is the stationary phase in TLC?

Back

Preview of the front of card 3

Card 4

Front

What is the mobile phase in TLC?

Back

Preview of the front of card 4

Card 5

Front

What is the stationary phase in GC (gas chromatography)?

Back

Preview of the front of card 5
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