3. Acids and Bases

Which of the following best describes the mechanism for the reaction of $t_1-\mathrm{butyl} \mathrm{bromide}$ with aqueous $\mathrm{NaOH}$ to form $t_1-\mathrm{butanol}$?

Which of the following statements best describes the induced fit model of enzyme activity?

Which of the following statements correctly identifies the major thermodynamic and kinetic products in the addition of $H_{\mathrm{Br}}$ to $1,3-\mathrm{butadiene}$ under different conditions?

Which step is the rate-determining step in the $S{N}_1$ reaction mechanism?

Which of the following best completes the mechanism for the reduction of butanone with ${\mathrm{Na}}_{\mathrm{BH}}4$ in aqueous solution?

In the context of a nucleophilic substitution reaction mechanism, which structure is typically observed at the position indicated by the arrow during the transition state?

In the context of an $S_{\mathrm{N}}1$ reaction mechanism, which is the most likely first step in the mechanism for this reaction?

Which statement best describes the purpose of adding curved arrows to the reactants in an organic reaction mechanism?

In organic reaction mechanisms, curved arrows are used to illustrate the flow of electrons. Given the reaction conditions of a nucleophile attacking an electrophile, what does a curved arrow represent in the mechanism?

Which statement best describes the purpose of drawing curved arrows in an organic reaction mechanism?

Which of the following steps could be found in an $S{\mathrm{N}}_1$ reaction mechanism?

In a radical halogenation reaction, which mechanistic step involves the homolytic cleavage of a halogen molecule to generate two halogen radicals?$X{2}_{}\to 2X•$

Which is the correct depiction of the transition state for the $S_{\mathrm{N}}2$ reaction shown below?

Which statement best describes the purpose of adding curved arrows in illustrating an organic reaction mechanism?

In the following reaction, what is the missing reagent (a)? ${\mathrm{CH}}_3\mathrm{CH}=\mathrm{CH}2$ → ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Br}$