Slides in this set

Slide 1

Preview of page 1

Non Metal Tests…read more

Slide 2

Preview of page 2

Non Metal Tests
· Scientists also need to be able to identify non
metal ions in compounds.
· Such as ­ Sulfate ions
Halide ions (what are these?)
Nitrate ions
Ammonium ions
Carbonate ions (this time test for
carbonate not the metal it's attached
to ­ what is the test?)…read more

Slide 3

Preview of page 3

Sulfate Ions
· Dissolve compound in water
· Add few drops of dilute HCl
· Then a few drops of Barium Chloride (soluble)
· If a sulfate is present then a Barium Sulfate
will form a white precipitate (insoluble)…read more

Slide 4

Preview of page 4

Halide Ions
· There are 3 samples A, B + C you need to
identify the halide ion in each
· Dissolve one spatula in 1 pipette of water
(obviously in a test tube)
· Add a few drops of dilute nitric acid
· Then a few drops of dilute silver nitrate
· The colour of the precipitate identifies the
halide ­ see table on next slide...…read more

Slide 5

Preview of page 5

Halide Ions
Halide Colour of Precipitate
Chloride White
Bromide Cream
Iodide Yellow…read more

Slide 6

Preview of page 6

Halide Ions
· The ionic equation for each is,
Ag+ (aq) + Cl-(aq) AgCl (s)
Ag+ (aq) + Br-(aq) AgBr (s)
Ag+ (aq) + I-(aq) AgI (s)…read more

Slide 7

Preview of page 7
Preview of page 7

Slide 8

Preview of page 8
Preview of page 8

Slide 9

Preview of page 9
Preview of page 9


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »