Haloalkanes and Haloarenes

For the reaction sequence given below, the correct statement(s) is(are) (In the options, X is any atom other than carbon and hydrogen, and it is different in P, Q and R)

In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.


The correct statement about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is :

Compound(s) that on hydrogenation produce(s) optically inactive compound(s) is(are)

KI in acetone, undergoes SN2 reaction with each of P, Q, R and S. The rates of the reaction vary as

Statement 1 : Bromobenzene upon reaction with Br\(_2\)/Fe gives 1, 4-dibromobenzene as the major product.
and
Statement 2: In bromobenzene, the inductive effect of the bromo group is more dominant than the mesomeric effect in directing the ...

The correct statement(s) about the compound given below is(are):

The major product of the following reaction is:

Give reasons :