Practical inve. 12.1 Identifying Anios  Camb.IGCSE Chem

Practical inv. 12.1 Identifying anions             

Test only for Chlorides/bromides/iodides only  

HaZCard : 6, 11, 18,19B, 27A, 27B, 47A, 47B, 67, 81, 91A, 92

• Test tubes rack

• rubber bungs and delivery tube

• 8 X test tubes (Clean and dry)

• Boiling tube to test nitrate (Clean and dry) need to be heated up

• teat pipettes (or bottle with pipettes)

• Spatula

• Ammonia Solution 1mol. (use A level) 

• Nitric acid (use A level)

• Silver Nitrate solution (use A level)

• Bunsen burner, Heat proof mat

• Calcium carbonate solid

• Copper chloride solid (CuCl2)

• Potassium Sulfate solid (Testing sulphate)

• Potassium Sulfite Sodium Sulfite 0.2M (100cc enought)

• Potassium Iodide solid (KI) 

• Copper (II) Nitrate solution 0.01M (100cc enought)

• Sodium Bromide solid (NaBr)

• Dilute HCl 0.4M

• Aluminium foil

• LimeWater

• Sodium Hydroxide solution 0.4M

• Red litmus paper

• Barium nitrate solution (Testing sulphate) (use A level)

• potatium manganate (VII) solution

• Sodium Chloride (NaCl) Not on practical chemical list)

• Heat proof glove

• test tube holder

Identifying halides  Sample of solid :

• Copper chloride solid (CuCl2)

• Sodium Bromide (NaBr)

• Sodium Chloride (NaCl) Not on the practical list

• Potassium Iodide (KI)

• Potassium Bromide (KBr) Not on the practical list

• Potassium Chloride (KCl) Not on the practical list

Tests fo Anions : HazCard : 6, 11, 18, 19B, 27A, 27B, 47A, 47B, 67, 81, 91A, 92

Test Cl-,Br-, I-

• Copper Chloride solid

• Sodium Bromide solid

• Potassium iodide solid

• Nitric Acid (A level)

• Silver Nitrate  (use A level)

• Test tubes (Clean and dry) and rack

• Spatula

• Pipettes

Test Carbonate ions(CO3 2-)

• Calcium Carbonate solid

• Spatula

• Test tube X2 (Clean and dry)

• delivery tubes to test CO2 (A Level)

• Limewater

• Nitric acid (A level)

• Bung (Delivery tubes) 

Test for nitrate ions (NO3 -)

• Copper(II) Nitrate(V) solution 0.01M/dm-3

• Sodium hydroxide 0.4M

• Aluminium foil (A level)

• Boiling tube

• HPM, Bunsen burner

• Test tube holder

• Red Litmus paper

Testing for sulfate ions (SO4 2-)

• Potassium sulfate

• Spatula

• test tube clean and dry

• Nitric acid (A level)

• Barium Nitrate solution (0.1M/dm-3) (A level)

• Pipette

Testing for Sulfite ions (SO3 2-) IN FUME

• Potassium sulfite or sodium sulfite

• HCl 0.4M/dm-3

• Aqueous potassium manganate(VII) (A level)