Among the following select the alkane that is expected to have lowest boiling point

Addition of HBr to propylene in presence of benzoylperoxide, follows :

The radical is aromatic because it has

Which of the following has highest knocking?

Which one of the following methods is neither meant for the synthesis nor for separation of amines?

A petroleum fraction having boiling range 70 – 200°C and containing 6 – 10 carbon atoms per molecule is called

The hydrocarbon which can react with sodium in liquid ammonia is

The order of decreasing ease of abstraction of Hydrogen atoms in the following molecule is

The coal tar fraction which contains phenol is:

Cetane is acompound which has very good ignition property. Chemically it is