Which of the following statements is TRUE? Select one: a. Primary alcohols and alkylhalides are very likely to react via an E1 mechanism because they produce stable carbocations. b. The strength of base used in elimination reactions is not important for the E2 mechanism because the base contributes only to the second step of the E2 mechanism. c. E2 elimination reactions can occur at primary carbon centres but not at secondary and tertiary carbon atoms. d. The E1 mechanism is somewhat similar to the SN1 mechanism: they both start with a dissociation step in which a carbocation is formed. e. Elimination reactions proceed via either an E1 mechanism, which is a one-step mechanism, or an E2 mechanism, which is a two-step mechanism.
Reactions of Ethers
Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.
Epoxides
Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.
Williamson Ether Synthesis
An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.
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