Indicate which characteristics describes or favor E1, E2, Sn1, and Sn2 reactions question.? Second order reactions First order reactions Carbocation intermediate Substrate is primary halidebase is unhindered Substrate is primary halidebase is hindered Substrate is secondary halidebase is weak Substrate is secondary halidebase is strong Substrate is tertiary halidebase is weak Substrate is tertiary halidebase is strong One stereoisomer produced Mixture of stereoisomers produced Polar, protic solvent used