Considering the following reaction sequence,

the correct option(s) is(are)

The reaction sequence(s) that would lead to o-xylene as the major product is(are)

Correct option(s) for the following sequence of reactions is(are)

The reaction of Q with PhSNa yields an organic compound (major product) that gives positive Carius test on treatment with Na₂O₂ followed by addition of BaCl₂. The correct option(s) for Q is (are)