Tests for organic functional groups

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Alkene
Add Bromine water [orange -> colourless]
1 of 7
Haloalkane
Add silver nitrate and ethanol - warm to 50°C in a water bath [chloro - white, bromo - cream, iodo - yellow]
2 of 7
Carbonyl
Add 2,4-DNPH [orange precipitate]
3 of 7
Aldehyde
Add tollen's reagent and warm [silver mirror]
4 of 7
Primary / secondary alcohol and aldehyde
Add acidified potassium dichromate Orange -> green
5 of 7
Carboxylic acid
Add aq. sodium carbonate [effervescence]
6 of 7
Phenol
pH indicator paper, then add aq. sodium carbonate [pH paper turns alcohol colour, no effervescence with aq. sodium carbonate]
7 of 7

Other cards in this set

Card 2

Front

Haloalkane

Back

Add silver nitrate and ethanol - warm to 50°C in a water bath [chloro - white, bromo - cream, iodo - yellow]

Card 3

Front

Carbonyl

Back

Preview of the front of card 3

Card 4

Front

Aldehyde

Back

Preview of the front of card 4

Card 5

Front

Primary / secondary alcohol and aldehyde

Back

Preview of the front of card 5
View more cards

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