Qualitative Analysis of Gases, Cations and Anions

HideShow resource information
Test for aqueous calcium using sodium hydroxide.
white ppt., insoluble in excess.
1 of 32
Test for hydrogen gas
pops with a lighted splint
2 of 32
Test for sulfate in solution.
acidify with dilute nitric acid, then aqueous barium nitrate. Result: white ppt.
3 of 32
Test for aluminium in solution using aqueous ammonia (NH3)
white ppt., insoluble in excess
4 of 32
Test for zinc in solution using aqueous sodium hydroxide.
white ppt., soluble in excess giving a colourless solution.
5 of 32
Test for ammonia gas
Turns damp red litmus paper blue.
6 of 32
Test for iodide
acidify with dilute nitric acid, then add aqueous silver nitrate. result: yellow ppt. Adding ammonia solution: insoluble
7 of 32
test for oxygen
relights a glowing splint
8 of 32
Test for ammonium
aqueous sodium hydroxide -> ammonia produced on warming
9 of 32
Test for copper in solution using aqueous ammonia
light blue ppt, soluble in excess giving a dark blue solution
10 of 32
Test for iron(III) in solution using aqueous sodium hydroxide
red-brown ppt, insoluble in excess.
11 of 32
test for carbonate
add dilute hydrochloric acid to solid -> effervescence, carbon dioxide produced
12 of 32
Test for chlorine gas
bleaches damp litmus paper.
13 of 32
Test for chloride in solution
acidify with dilute nitric acid, then add aqueous silver nitrate. gives white ppt. Adding ammonia solution: soluble
14 of 32
Test for iron(II) in solution using aqueous ammonia
green ppt., insoluble in excess.
15 of 32
Test for calcium in solution using aqueous ammonia
no ppt., or very slight white ppt.
16 of 32
Test for zinc in solution using aqueous ammonia
white ppt., soluble in excess giving a colourless solution
17 of 32
Test for iron (III) in solution using aqueous ammonia
red-brown ppt, insoluble in excess.
18 of 32
Test for aluminium in solution, using aqueous sodium hydroxide
white ppt., soluble in excess giving a colourless solution
19 of 32
Test for carbon dioxide gas
turns limewater (CaOH) milky
20 of 32
Test for iron(II) in solution using aqueous sodium hydroxide
green ppt., insoluble in excess
21 of 32
Test for nitrate in solution
add aqueous sodium hydroxide then aluminium foil; warm carefully -> ammonia produced
22 of 32
test for copper in solution using aqueous sodium hydroxide
light blue ppt., insoluble in excess.
23 of 32
Test for Ammonium
Add sodium hydroxide, gives off ammonia gas when warmed.
24 of 32
Test for hydroxide in a compound (OH)
Turns litmus blue
25 of 32
Test for sulfite (SO3)
dilute HCl to solid, then aqueous KMnO4. Result: decolorises purple solution
26 of 32
Test for chromium in solution using aqueous sodium hydroxide
green-grey ppt., soluble in excess giving a green solution
27 of 32
Test for chromium in solution using aqueous ammonia
green- grey ppt., insoluble in excess.
28 of 32
Test for bromide in solution
Acidify with dilute nitric acid, add aqueous silver nitrate. Result: cream ppt. Adding aqueous ammonia: partially soluble
29 of 32
Test for magnesium in solution using aqueous ammonia
white ppt., insoluble in excess.
30 of 32
Test for magnesium in solution using aqueous sodium hydroxide
white ppt., insoluble in excess.
31 of 32
Test for sulfur dioxide gas
Paper soaked in KMno4 -> paper goes from purple to colourless.
32 of 32

Other cards in this set

Card 2

Front

Test for hydrogen gas

Back

pops with a lighted splint

Card 3

Front

Test for sulfate in solution.

Back

Preview of the front of card 3

Card 4

Front

Test for aluminium in solution using aqueous ammonia (NH3)

Back

Preview of the front of card 4

Card 5

Front

Test for zinc in solution using aqueous sodium hydroxide.

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Testing and analysing substances resources »