Chemical Analysis Flashcards
1
Q
Reaction of carbonate symbol equation
A
Co3(2-) + 2H(+) —> Co2 + H2O
2
Q
Reaction of carbonate word equation
A
Metal carbonate + acid —> salt + water + carbon dioxide
3
Q
Precipitation colours
A
Aluminium - white Dissolves in excess Calcium - white Magnesium - white Copper - blue Iron (II) - green Iron (III) - brown
4
Q
Colours for halides
A
Cl- = white Br- = cream I- = yellow
5
Q
Sulfate test
A
Add barium chloride. If white precipitate is formed, test is positive for sulfate
