1
Q
sodium
A
Orange
2
Q
Lithium
A
Red
3
Q
Potassium
A
Lilac
4
Q
Rubidium
A
Red/Purple
5
Q
Caesium
A
Blue/Violet
6
Q
Beryllium
A
No colour
Doesn’t emit visible light
7
Q
Magnesium
A
No colour
8
Q
Calcium
A
Brick Red
9
Q
Stronium
A
Crimson Red
10
Q
Barium
A
Apple green
11
Q
How to conduct a flame test?
A
Clean nichrome or platinum loop in concentrated HCl
Place solid on the wire loop
Place wire in a roaring blue flame from a Bunsen burner and record colour observed
12
Q
How to test for ammonium ions?
A
Add sodium hydroxide solution and warm.
Releases ammonia gas
Ammonia turns damp red litmus paper blue.
13
Q
Why is the flame test wire dipped in concentrated hydrochloric acid?
A
Reacts with the compounds to form volatile chlorides
Year 12 chemistry
flashcards
Decks in class (29)
# Cards
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Topic 1.1.2 - Mass spectrometry5
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Topic 1.1.3 - Atomic orbitals7
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Topic 1.1.4 - Ionisation energies9
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Topic 1.2.1 - The periodic table7
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Topic 1.2.2 - Periodicity8
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Topic 2.1.1 - Metallic bonding7
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Topic 2.1.2 - Ionic bonding9
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Topic 2.1.3 - Covalent bonding10
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Topic 2.2.5 - Intermolecular interactions10
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Topic 4.1.1 - Trends in group 2 elements8
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4.1.2 - Group 2 reactions10
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Topic 4.1.3 - Group 2 oxides and hydroxides9
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4.1.4 - Thermal stability of group 2 compounds.17
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Topic 4.1.5 - Flame tests13
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4.2.1 - Trends in group 714
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4.2.2 - Redox reactions in group 710
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4.2.3 - Reactions of halides with sulfuric acid13
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4.2.4 - Other reactions with halides16
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AS paper 1 mistakes28
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6.1.5 - Isomerism5
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6.2.5 - Alkenes and their bonding5
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6.2.6 - Addition reactions of alkenes11
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6.2.7 - The mechanisms of addition reactions6
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Topic 6.2.9 - Dealing with polymer waste12
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Topic 6 revision questions24
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Topic 7 - Mass spectrometry10
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Topic 8 key definitions6
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9.1.1 - Rate of reaction8
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AS Paper 2 mistakes8
