Test Preparation on Practical Organic Chemistry-Chemistry Test Series IIT JEE-2020

An organic compound containing C, H and N gave following
analysis : C = 40%, H = 13.33% and N = 46.67%. Its empirical
formula would be

The decomposition of organic compounds in the presence of
oxygen and without formation of odoriferous substances, is
called

Empirical formula of a compound is CH2O and its vapour
density is 30. Molecular formula of the compound is