The final product $(B)$ will be:

Fill in the blanks:
$(1)$ ......... is the name of $C_6H_5Br_2$.
$(2)$ .......... and ......... are the suffixes for aldehyde and hydroxyl functional groups,respectively.
$(3)$ $A$ is formed by homolytic fission,while $B$ is formed by heterolytic fission of the $C-Cl$ bond in $CH_3-Cl$.
$(4)$ The fission of a covalent bond is of ......... and ......... type.

How many transition states and intermediates will be formed during the course of the following reaction?

Which of the following statements is not characteristic of free radical chain reaction?

In the given reaction,electrophilic substitution takes place at which position?

An electrophile $E^{\oplus}$ attacks the benzene ring to form an intermediate $\sigma$-complex. Which of the following $\sigma$-complexes has the lowest energy?