In an elimination reactor, the non-preferred geometry in which the beta hydrogen
ID: 1007052 • Letter: I
Question
In an elimination reactor, the non-preferred geometry in which the beta hydrogen and the leaving group are on the same side of the molecule is called anti periplanar. According to the rule, the major product in a beta-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 a Molecular and the base appears in the rate equation. Carbonation intermediates are involved in mechanisms. Polar aprotic solvents increase the rate of the reactions. Anti periplanar geometry is the preferred arrangement for any alkyl halide undergoing elimination, regardless of whether it is cyclic or acyclic.Explanation / Answer
1) In an elimination reaction, the non preferred geometry in which the beta hydrogen and the leaving group are on the same side of the molecule is called syn.
2) According to the Zaitsev rule, the major product in a beta elimination has the more substituted double bond.
3) In an E1 reaction, the rate depends on only the alkyl halide concentration.
4) The rate of the E2 reaction increases as the strength of the base increases because the reaction is a bimolecular and the base appears in the rate equation.
5) Carbocations intermediates are involved in Substitution (SN1) mechanisms.
6) Polar aprotic solvents increases the rate of the Substitution (SN2) reactions.
7) Anti periplanar geometry is the preferred arrangement for any alkyl halide undergoing E2 elimination.
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