Identify the mechanism of the following reaction:

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

The major product for the following reaction is:

The products $(A)$ and $(B)$ of the above reaction are:

Which of the following is the correct order of reactivity for:

Ionic reactions with organic compounds proceed through:
$(A)$ Homolytic bond cleavage
$(B)$ Heterolytic bond cleavage
$(C)$ Free radical formation
$(D)$ Primary free radical
$(E)$ Secondary free radical
Choose the correct answer from the options given below: