In an elimination reaction, the non-preferred geometry in which the β hydrogen and the leaving group are on the same side of the molecule is called periplanar.
According to the ______ rule, the major product in a β-elimination has the more substituted double bond.
In an ______ reaction, the rate depends on only the alkyl halide concentration.
The rate of the ______ reaction increases as the strength of the base increases because the reaction is biolecular and the base appears in the rate equation.
Carbocation intermediates are involved in ______ mechanisms.
Polar aprotic solvents increase the rate of the ______ reactions.