1
Q
What are the phases of chromatography?
A
- STATIONARY - phase which does not move, normally solid, or liquid supported on solid.
- MOBILE - phase which moves, normally liquid/gas
2
Q
What is the stationary phase?
A
phase which does not move
usually solid, or liquid supported on solid
3
Q
What is the mobile phase?
A
phase which moves
normally liquid or gas
4
Q
What is TLC used for?
A
Indicates how many components are in a mixture
A level Chemistry OCR A
flashcards
Decks in class (44)
# Cards
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7.2 Ionisation Energies21
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8.1 Group 219
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8.2 The Halogens28
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8.3 Qualitative Analysis12
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9.1 Enthalpy Changes25
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9.2 Measuring Enthalpy Changes5
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10.3 Boltzmann Distribution4
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11.5 Introduction to Reaction Mechanisms11
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12.1 Properties of Alkanes8
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12.2 Chemical Reactions of Alkanes19
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13.1 Properties of Alkenes8
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13.3 Reactions of Alkenes13
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13.4 Electrophilic Addition in Alkenes14
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13.5 Polymerisation in Alkenes10
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14.1 Properties of Alcohols9
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14.2 Reactions of Alcohols30
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15.1 Chemistry of Haloalkanes17
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15.2 Organohalogen Compounds in the Environment17
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16.1 Practical Techniques in Organic Chemistry20
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16.2 Synthetic Routes17
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17.2 Infrared Spectroscopy7
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18.1 Orders, Rate Equations, & Rate Constants17
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18.2 Concentration-time Graphs6
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18.3 Rate-concentration Graphs & Initial Rates4
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21.1 Buffer Solutions8
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22.1 Enthalpy Changes16
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22.2 Enthalpy Changes in Solution18
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22.3 Factors affecting Lattice Enthalpy + Hydration24
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22.4 Entropy16
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24.2 Formation of Complex Ions20
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24.3 Stereoisomerism in Complex Ions13
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24.4 Ligand Substitution & Precipitation11
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25.1 Introducing Benzene6
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25.2 Electrophilic Substitution Reactions of Benzene25
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25.3 Chemistry of Phenol17
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26.1 Carbonyl Compounds13
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26.2 Identifying Aldehydes & Ketones5
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26.3 Carboxylic Acids16
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26.4 Carboxylic Acid Derivatives36
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27.1 Amines34
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27.2 Amino Acids, Amides & Chirality24
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27.3 Condensation Polymerisation18
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COLOURS OF INORGANIC IONS & COMPLEXES33
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29.1 Chromatography & Function Group Analysis4
