Test Preparation on Chemistry - Purification and Characterisation of Organic Compounds
Which of the following is a techique of purification of orgainc compound ?
Which of the following is/are method (s) of checking the purity of organic compound ?
The formula representing a simple ratio of atoms of different elements present in a molecule of the substance is called
What is called the purification technique based on difference in the solubilities of the compound and the impurities in a given solvent ?
A compound contains C = 90% and H = 10 %. Find empirical formula of the compound.
Empirical formula of a compound is CH2O and its vapour density is 30. What is the molecular formula of compound ?
An organic compound contains C = 36%, H = 6%. What is the empirical formula of compound ?
What should be the property of solvent used in crystallisation ?
Which method of purification of organic compound is useful to separate volatile liquids from non volatile impurities ?