Chemistry- test tube reactions Flashcards
1
Q
Alkene
A
Shake with bromine water- turns into a colourless solution.
2
Q
Halogenoalkane
A
Add NaOH and warm, acidify with HNO3 and add AgNO3- precipitate
3
Q
Alcohol
A
add acidified potassium dichromate- orange to green solution
4
Q
Aldehydes
A
Tollen’s or Fehling’s solution- silver mirror or red precipitate
5
Q
Carboxylic acids
A
Add NaHCO3- CO2 given off
6
Q
Silver fluoride
A
No precipitate
7
Q
Silver Chloride
A
White precipitate- dissolves in dilute ammonia
8
Q
Silver Bromide
A
Cream Precipitate- dissolves in concentrated ammonia
9
Q
Silver Iodide
A
Pale yellow precipitate- insoluble in concentrated ammonia
