qualitative analysis Flashcards
(8 cards)
1
Q
cation test
A
NaOH(aq)
Mn2+: pink / buff precipitate
Fe2+: green precipitate
for NH4+: litmus paper held over the opening of the tube turns blue (heat gently)
2
Q
co3 2- test
A
nitric acid
effervescence
3
Q
SO4 2- test
A
aq barium nitrate
white precipitate
4
Q
Cl- test
A
silver nitrate solution
white precipitate
then add dilute ammonia solution - ppt dissolves
5
Q
order of anion tests
A
carbonate test
sulfate test
halide test
6
Q
HBr reactions
A
sodium carbonate- effervescence
7
Q
dilute HCl reaction
A
aq potassium carbonate- effervescence
aqueous silver nitrate- precipitate
8
Q
A
