Organic Chemist...

In Dumas method for estimation of nitrogen, 0.3 g of an organic compound gave 50 ml of nitrogen collected at 300 K temperature and 715 mm pressure. Calculate the % of N in the compound. ( Aqueous tension at 300 K = 15 mm)

In Kjeldahl’s method, when nitrogenous organic compound is heated with con. sulphuric acid, the nitrogen is converted into

In the estimation of halogen by Carius method, the halogen of the organic compound is converted into

In Carius method of estimation of halogen, 0.15 gm of an organic compound gave 0.12 gm of AgBr. Calculate % of bromine in the compound.

In estimation of Sulpur in organic compound, the amount of sulphur is determined in terms of

In estimation sulphur, 0.157 gm of an organic compound gave 0.4813 gm of barium Sulphate. Calculate % S in compound.

Suggest a method to purify camphor containing impurity of comman salt.

Suggest a method to separate a mixture of ortho and para nitro aniline.

Suggest a method to separate a mixture of methanol and acetone.

Suggest a method to purify napthalene.