Haloalkanes And Haloarenes - Organic Chemistry - Chemistry Previous Year Questions

Give reasons :

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

The major product of the following reaction is:

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 incoming electrophile.

KI in acetone, undergoes S_N2 reaction with each of P, Q, R and S. The rates of the reaction vary as

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

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)