What products would you expect from the reaction of 1 mol of 1,3-butadiene and each of the

Question:

What products would you expect from the reaction of 1 mol of 1,3-butadiene and each of the following reagents? (If no reaction would occur, you should indicate that as well.)
(a) 1 mol of Cl2
(b) 2 mol of Cl2
(c) 2 mol of Br2
(d) 2 mol of H2, Ni
(e) 1 mol of Cl2 in H2O
(f) Hot KMnO4 (excess)
(g) H2O, cat. H2SO4