The correct statement for the reactions P and Q is
1
kP > kQ; P goes via an E2 and Q goes via an E1cB pathway
2
kP > kQ; both P and Q go via an E2 pathway
3
kQ > kP; P goes via an E1cB and Q goes via an E2 pathway
4
kQ > kP; both P and Q go via an E1cB pathway