QA ANions

Question 1

Sulfate (in soln) (SO4 2-)

Test:
Result:

Answer 1

Test: acidify with nitric acide, then add aq barium nitrate
Result: white ppt

Question 2

Nitrate (in soln) (NO3-)

Test:
Result:

Answer 2

Test: add aqueous sodium hydroxide then aluminum foil, then warm carefully
Result: ammonia gas produced

Question 3

Iodide (in soln) (I-)

Test:
Result:

Answer 3

Test: acidify with dilute nitric acid, then add aq silver nitrate
Result: pale yellow ppt

Question 4

Chloride (in soln) (CL-)

Test:
Result:

Answer 4

Test: acidify with nitric acid, then add aq silver nitrate
Result: white ppt

Question 5

carbonate (CO3 2-)

Test:
Result:

Answer 5

Test: add dilute acid
Result: effervescence, carbon dioxide produced