Contents Preface ......................................................................................... v Experiment 1 To understand the working of an Analytical Balance ........ 1 Experiment 2 To calibrate the volumetric glassware commonly used in analytical laboratory ............................ 7 Experiment 3 To Prepare 250 ml of approximately 0.1 N Hydrochloric acid (HCl) and standardize it ..................... 12 Experiment 4 To prepare 250 ml of approximately 0.1 N Sulphuric acid (H2SO4) and standardize it ....................... 17 Experiment 5 To prepare 250 ml of approximately 0.1 N sodium hydroxide (NaOH) and to standardize it .......................... 21 Experiment 6 To determine the percentage purity of given sample of Sodium bicarbonate (NaHCO3) ............ 26 Experiment 7 To Determine the percentage composition of given mixture of Sodium carbonate (Na2CO3) and Sodium hydroxide (NaOH) ...................................... 32 Experiment 8 To determine the percentage purity of given sample of liquid Ammonia (NH3) .................................................... 38 vii
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Experiment 9 To determine the percentage purity of given sample of Boric acid (H3BO3) ............................... 45 Experiment 10 To prepare 250 ml of approximately 0.1 N HClO4 (Perchloric acid) and to standardize it ........ 51 Experiment 11 To prepare 250 ml of approximately 0.1 N AgNO3 and to standardize it ................................... 55 Experiment 12 To determine the percentage purity of given sample of Sodium chloride ..................................... 59 Experiment 13 To prepare 250 ml of approximately 0.1 N Ammonium thiocyanate (NH4SCN) and standardize it ........................................... 64 Experiment 14 To find out the percentage purity of given sample of NaCl by Volhard’s method .............................................. 68 Experiment 15 To prepare approximately 0.05 M Disodium EDTA and to standardize it ............................. 74 Experiment 16 To find the percentage purity of given sample of Magnesium sulphate (MgSO4) ....................... 78 Experiment 17 To find out the percentage purity of given sample of Calcium gluconate ................................. 83
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Experiment 18 To prepare approximately 0.1 N Potassium permanganate (KMNO4) and standardize it ..................... 88 Experiment 19 To find out the percentage purity of given sample of FeSO4.7H2O ........................................... 92 Experiment 20 To prepare 250 ml of approximately 0.1 M Sodium thiosulphate (Na2S2O3) and standardize it........................ 98 Experiment 21 To Determine the percentage purity of given sample of Copper sulphate (CuSO4.5H2O) ................... 102 Experiment 22 To prepare 250 ml of approximately 0.1 N Sodium nitrite (NaNO2) and standardize it Experiment 23 To draw the Neutralization curve of 1. 1 N hydrochloric acid (HCl) and 1 N sodium hydroxide (NaOH) 2. 0.1 N hydrochloric acid (HCl) and 0.1 N sodium hydroxide (NaOH) 3. 0.01 N hydrochloric acid (HCl) and 0.01 N sodium hydroxide (NaOH) ........................... 107 Viva Questions ........................................................................ 115
