Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Describe briefly Carius method for the estimation of sulphur.

In sulphur estimation, 0.157 g of an organic compound gave 0.4813 g of barium sulphate. What is the percentage of sulphur in the compound?

Determine the percentage of phosphorus in an organic compound weighing 0.155 of which gave 0.111 g of Mg₂P₂O₇ in a Carius tube.

Draw formulas for the first five members of each homologous series beginning with the following compounds.
(a) H–COOH
(b) CH₃COCH₃
(c) H–CH=CH₂

What are electrophiles and nucleophiles? Explain with examples.

Describe the method, which can be used to separate two compounds with different solubilities in a solvent S.

What is the difference between distillation, distillation under reduced pressure and steam distillation?

Differentiate between the principle of estimation of nitrogen in an organic compound by: (i) Dumas method and (ii) Kjeldahl’s method.