Which of the following is the major organic product formed when ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}$ reacts with aqueous $\mathrm{NaOH}$ in a nucleophilic substitution reaction? Ignore any inorganic byproducts.

In the context of nucleophilic substitution, what is the main purpose of treating an alcohol with tosyl chloride before reacting it with a nucleophile?

Which of the following represents the correct structural formula for the major organic product formed when ${\mathrm{CH}}_3\mathrm{Br}$ reacts with $\mathrm{OH}-$ in an $S{N}_2$ reaction?

When (R)-3-chloro-3-methylhexane is treated with methanol and heat, which of the following best describes the major product and the mechanism of the reaction?

Which type of nucleophilic substitution mechanism is most likely when an alkyl bromide reacts with hydroxide ion in a polar aprotic solvent?

Which of the following is the correct product of the nucleophilic substitution reaction between ${\mathrm{CH}}_3\mathrm{Br}$ and $\mathrm{OH}-$ in aqueous solution?

Which of the following statements best describes a single-step bimolecular nucleophilic substitution reaction ($S_{\mathrm{N}}2$)?

Which of the following is the major organic product when ${\mathrm{CH}}_{3}O-$ (methoxide) reacts with 2-bromopropane in ethanol, behaving primarily as a base?

Which of the following is the major product formed when $C_4{H}_9\mathrm{Br}$ (2-bromo-2-methylpropane) reacts with $C_4{H}_{9}OK$ (potassium t-butoxide) in ethanol?