What are common Purification and Characterisation of Organic Compounds mistakes in JEE?
Students often confuse similar concepts within Purification: Crystallization, sublimation, distillation, differential extraction and chromatography principles and their applications, Qualitative analysis: Detection of nitrogen, sulphur, phosphorus and halogens, Quantitative analysis (basic principles only): Estimation of carbon, hydrogen, nitrogen, halogens, sulphur and phosphorus, Calculations of empirical formulae and molecular formulae, numerical problems in organic quantitative analysis, rush without diagrams, or apply formulas outside their valid conditions.