identify anion Flashcards
1
Q
test for Carbonate (CO3)
charge: -2
A
add dilute acid
2
Q
result for the carbonate (CO3) test
A
effervescence (bubble)
»> CO2 is produced
3
Q
test for Chloride (Cl-) in solution
A
- acidify with dilute nitric aicd
- add aqueous silver nitrate
4
Q
result for chloride test (Cl-)
A
white precipitation
5
Q
test for bromide (Br-) in solution
A
- acidify with dilute nitric aicd
- add aqueous silver nitrate
6
Q
result for the bromide test
A
cream precipitate
7
Q
test for nitrate (NO3) in the solution
charge: -1
A
- add aqueous NaOH then aluminium foil
- warm gently
8
Q
result for the nitrate test
A
- release ammonia (gas)
9
Q
test for sulfate (SO4) in solution
charge: -2
A
- acidify
- add aqueous barium nitrate
10
Q
result for sulfate test (SO4)
A
- white precipitate formed