AIEEE 2007 PYQ Mock Test

The reaction of toluene with ${\text{Cl}}_2$ in presence of ${\text{FeCl}}_3$ gives predominantly:

Presence of a nitro group in a benzene ring:

In which of the following ionization processes, the bond order has increased and the magnetic behaviour has changed?

The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because:

Equal masses of methane and oxygen are mixed in an empty container at $25^{\circ }\text{C}$. The fraction of the total pressure exerted by oxygen is: