anions Flashcards
1
Q
add dilute acid then test for CO2 gas
A
carbonate CO
(effervescense, CO2 produced)
2
Q
acidify with dilute nitric acid then add aqueous silver nitrate (white ppt)
A
chloride Cl- (in solution)
3
Q
acidify with dilute nitric acid then add aqueous silver nitrate (cream ppt)
A
bromide Br- (in solution)
4
Q
acidify with dilute nitric acid then add aqueous silver nitrate (yellow ppt)
A
iodide I- (in solution)
5
Q
add aqueous sodium hydroxide, then aluminium foil, warm carefully
A
nitrate, NO3 (in solution)
ammonia produced
6
Q
acidify with dilute nitric acid then add aqueous barium nitrate (white ppt)
A
sulfate SO4 (in solution)
7
Q
add a small volume of acidified aqueous potassium manganate (VII)
(goes from purple to colorless)
A
sulfite, SO3
