Which is not a heteroatom?

σ bonds are stronger than π bonds.

In fractional distillation, vapors of low boiling point component ascend to the top of the column.

Tropolone is a benzenoid compound.

Arrange the following in the increasing order of electronegativity.

If a compound has 3 chiral carbons What is the number of optically active isomers?

0.350 g of an organic compound gave 100 ml of nitrogen collected at 250 K temperature and 700 mm pressure. Calculate the…

Dumas method is a method of estimation of nitrogen.