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9E 2a Using chemical reactions to identify organic compounds
Use the drop-down menu to select an appropriate observation for each test.
Chemical test
2-aminopropane
propanoic acid
methyl ethanoate
propan-1-ol
propanal
Hold damp red litmus paper above the open bottle
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Add Tollen's reagent and warm gently
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Add sodium carbonate solution
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Add acidified potassium dichromate and warm
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Black precipitate
Dissolves: one layer
Immiscible: two layers
Litmus turns blue
No change
No reaction
Reacts: gas formed
Stays orange
Turns green
Check
OK
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