Chemistry: Organic Identification

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Spirit/ alcohol smell
alcohol/ethanol
1 of 22
Sharp, irritating smell
Carboxylic acid/ ethanoic acid
2 of 22
Fruity/ sweet smell
Ester
3 of 22
Mixes with water/ one layer
Polar/ can form hydrogen bonds - alcohol/carboxylic acid
4 of 22
Two layers formed
Non-polar/ cannot form hydrogen bonds
5 of 22
Clean blue flame
Low C content/ Alcohol
6 of 22
Sooty orange flame
High C content/ Alkane/ Alkene
7 of 22
Bromine water becomes decolourised
C=C/ Alkene
8 of 22
Bromine water colour remains
No C=C present
9 of 22
White precipitate formed in Silver Nitrate
Chloroalkane
10 of 22
Cream precipitate formed in Silver Nitrate
Bromoalkane
11 of 22
Yellow precipitate formed in Silver Nitrate
Iodoalkane
12 of 22
Gas released when Phosphorus Pentachloride added; White smoke with conc. ammonia solution
Alcohol/ OH group present; HCl gas released; white smoke is ammonium chloride (NH4Cl)
13 of 22
No gas released when Phosphorus Pentachloride added
Not an alcohol/ no OH group present
14 of 22
When added to Potassium dichromate; solution goes from orange to green
Primary/ Secondary alcohol
15 of 22
When added to Potassium dichromate; solution remains orange
Not a Primary/ Secondary alcohol: perhaps a tertiary alcohol
16 of 22
Yellow precipitate when added to sodium hydroxide and iodine
CH3CH(OH) group present
17 of 22
No yellow precipitate when added to sodium hydroxide and iodine
No CH3CH(OH) present
18 of 22
When Sodium Carbonate or Sodium Hydrogencarbonate is added, gas released, solid disappears; when bubbled through limewater it changes to milky
Carboxylic acid/ COOH group present; CO2 gas released
19 of 22
When Sodium Carbonate or Sodium Hydrogencarbonate is added, No gas released
Not a carboxylic acid/ no COOH group present
20 of 22
Adding magnesium ribbon; gas released; magnesium disappears; test gas with a splint - pop sound
Carboxylic acid/ COOH group present; H2 gas released
21 of 22
Adding magnesium ribbon; no gas released
Not a carboxylic acid/ no COOH group present
22 of 22

Other cards in this set

Card 2

Front

Sharp, irritating smell

Back

Carboxylic acid/ ethanoic acid

Card 3

Front

Fruity/ sweet smell

Back

Preview of the front of card 3

Card 4

Front

Mixes with water/ one layer

Back

Preview of the front of card 4

Card 5

Front

Two layers formed

Back

Preview of the front of card 5
View more cards

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