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13. TO DETERMINE THE APPROXIMATE PH OF SOME AQUEOUS SOLUTIONS (IN ACIDIC RANGE) BY THE INDICATOR METHOD.
THEORY: All aqueous solutions contain certain amounts of hydrogen ion concentrations. pH…
12. TO INVESTIGATE THE PHENOMENON OF DIFFUSION.
THEORY: A. Gaseous Diffusion : Diffusion of gasses means the intermixing of…
11. TO DETERMINE THE SOLUBILITY OF THE GIVEN SOLUBLE SOLID AT THE LABORATORY TEMPERATURE.
THEORY: The solubility of a substance at a particular temperature is the…
10. TO PREPARE 250 ML OF A STANDARD DECINORMAL SOLUTION OF MOHR’S SALT. AND TO USE IT TO FIND THE MOLAR CONCENTRATION OF THE GIVEN KMnO4 SOLUTION.
THEORY: Mohr's salt is ferrous ammonium sulphate which is more stable than…
9. TO STANDARDISE THE GIVEN KMnO4 SOLUTION AGAINST THE STANDARD OXALIC ACID SOLUTION (PRIMARY STANDARD).
THEORY: It is a redox titration between acidified KMnO4 and oxalic acid.…
8. TO PREPARE 100 ML OF A DECINORMAL SOLUTION OF OXALIC ACID (PRIMARY STANDARD).
THEORY: Oxidation half reaction of oxalic acid is C₂O4 -- – 2e…
7. TO DETERMINE THE PERCENTAGE OF PURE AMMONIUM CHLORIDE IN THE GIVEN MIXTURE OF AMMONIUM CHLORIDE AND SODIUM CHLORIDE VOLUMETRICALLY.
THEORY: A definite wt. of the given mixture is allowed to react…
6. TO FIND THE EQUIVALENT WEIGHT OF THE GIVEN METAL VOLUMETRICALLY.
THEORY: Suppose, the given metal is magnesium. A definite weight of the…
5. TO FIND THE STRENGTH OF THE BENCH NAOH AGAINST THE STANDARD ACID HCL SUPPLIED.
THEORY: Reaction HCL + NaOH —--------> NaCl + H₂O Ionically, H ++…