Practical 33 Carboxylic acids

Carboxylic acids Prac. 33               GAS ON            HAZCARD : 38A, 36A, 40A, 47A, 84C, 98A, 91, 6, 81, 55B  

Put a stoppered test tube of conc. Ethanoic acid in a refrigerator at least1 hrs prior the practical                         

• 6 X Hard glass test tubes (In class)

• Stopper Step 1 ONLY 

• 2 X boiling tubes (In class)

• Evaporating basin (In class) Step 1 ONLY

• 250cc beaker (In class) 

• Glass pipette (Conc. acid)

• Splints (in class)

• Universal indicator paper / Ph meter  (Use Hanna see picture one (7A2)  Step 1 ONLY 

• 10cc measuring cylinder

• Access to a refrigerator Step 1 ONLY

• Access to a fume cupboard

• Conc. (glacial) Ethanoic (Acetic)acid Fume Cupboard  cab2 (38A) Step 1 ONLY

• Conc. Methanoic (Formic) acid Fume Cupboard Self (38A) Step 2 ONLY

• Solid Ethanedioic (Oxalic) acid  Fume Cupboard  Self (36A) Step 2 ONLY

• 2 mol. ethanoic acid (Dilute 116cc of Conc. Ethanoic acid in 1L of Distilled water) 250ml Step 1 ONLY

• 0.1 mol. ethanoic acid (Dilute 5.8cc of Conc. Ethanoic acid in 1L of Distilled water) 250ml Step 1 ONLY

• 0.1 mol. Ethanol in water (Dilute 1.5cc of ethanol to 250 cc of distilled water) 250ml (make 1 L with 6cc of Ethanol to 500ml DW  and keep only 250cc) Step 1 ONLY

• 0.1 mol. Hydrochloric acid (Dilute 8.63cc of concentrated HCl to 1L of distilled water) 250ml Step 1 ONLY

• Phosphorus pentachloride (Keep in fume cupboard) Fume Cupboard with a balance Cab1 Step 1 ONLY

• Pentanol (Amyl alcohol) (70A) Step 1 ONLY

• Conc. Sulfuric acid (98A)

• Ethanol (40A) Step 2 ONLY

• Dilute Sodium Hydroxide 2.0 M (A Level) Step 1 ONLY

• Dilute HCl 2.0 M  (A Level) (All steps) Step 1 ONLY

• Dilute Ammonia 2.0 M  (A Level) Step 1 ONLY

• 0.02 mol. Potassium manganate(IV) (Potassium permanganate) solution . 1.58g of Potassium manganate to 500ml  (A Level) (81) 

• 0.1 mol. Iron(III) Chloride (Ferric Chloride) solution the Anhydrous solution should NOT be used to make Iron(II) sol. .   6.76g to 250ml DW Step 1 ONLY

• 0.1 mol. Sodium Ethanoate solution (Sodium acetate anhydrous) 2.051g to 250Dw for Anhydrous in warm tape water Step 1 ONLY

• Bunsen burner, heat proof mat, tripod, glove(Organic Chem, conc. acid) have one ready on a fume cupboard

• tongs (In class)

• Filter and filter papers Step 1 ONLY

• Distilled water tray

•  1X balance in fume with Phosphorus Pentachloride Step 1 ONLY

• Conical flask for WASTE ACID

In preproom fridge (Done by student)

                  Acetic acid glacial,                             Pentan-1-ol ,                                                    Ethanol 74op,                                       Formic acid, in fume Cabinet

  Oxalic acid                                                      Iron(III)Chloride                                                          Potassium manganate (VII)0.02M.       Sodium carbonate 1m 

HCL 0.1M                                                  Sodium Ethanoate 0.2m                                        Sulfuric acid Conc.                                  Ethanoic acid 2M

Ammonium Sol. 2m              Sodium Hydroxide sol. 2M                                                    Hydrochloric acid 2M

                                                  Sodium acetate anhydrous = Sodium ethanoate               Ethanol 0.1m.                                    Ethanoic acid 0.1m