Purification & Characterisation

Formulas are organized based on their importance in the CAT exam.
1 Duma’s Method (Nitrogen)
2 Carius Method (Halogens)
3 Facts & Exceptions
4 Vacuum Distillation (Distillation Under Reduced Pressure)
5 Percentage of Carbon (Combustion Analysis)
6 Crystallization
7 Percentage of Hydrogen (Combustion Analysis)
8 Adsorption Chromatography
9 Differential Extraction
10 Percentage of Nitrogen (Kjeldahl Method)
11 Partition Chromatography
12 Sublimation
13 Black precipitate of $$\text{PbS}$$
14 Sodium Nitroprusside Test
15 Detection of Halogens
16 Liebig’s Method (Carbon & Hydrogen)
17 Rf Value in Chromatography
18 Percentage of Halogen (Carius Method)
19 Percentage of Phosphorus (Magnesium Pyrophosphate)
20 Lead Acetate Test:
21 Lassaigne's Test - Detection of Nitrogen
22 Preparation of Lassaigne's Extract (Sodium Fusion Extract)
23 Kjeldahl’s Method (Nitrogen)
24 Characteristics of an Ideal Solvent
25 Detection of Nitrogen and Sulphur Together
26 Crystallization
27 Chromatography Fundamentals
28 Fractional Distillation
29 Deep Violet / Purple coloration
30 Percentage of Sulphur (Carius Method)
31 Detection of Phosphorus
32 Simple Distillation