3. Acids and Bases

In the context of organic reaction mechanisms, what do the curved arrows represent when provided for the transformation?

Which reaction mechanism would be favored when a secondary alkyl halide reacts with a strong base such as $O_H-$ in a polar aprotic solvent?

Which of the following best describes the products formed in a reaction mechanism that uses fishhook notation to show the movement of single electrons?

Which of the following best describes the mechanism of an S$N_1$ reaction?

Which of the following statements about the $\mathrm{transition state}$ of a reaction is correct?

In the context of reaction mechanisms, what is the molecularity of step $1$ if the step involves the collision of two different reactant molecules to form a product?

Which of the following best explains the regiochemistry observed in the Markovnikov addition of $H_{2}O$ to an alkene using acid catalysis?

Which of the following best describes the mechanism of the reaction between ${\mathrm{CH}}_3\mathrm{Br}$ and $\mathrm{OH}-$ in aqueous solution?

Which of the following best describes the stepwise mechanism for the acid-catalyzed hydration of $C_2{H}_4$ (ethylene) to form ethanol?

Which of the following statements best describes the formation of the kinetic product in a reaction mechanism under low temperature and irreversible conditions?

In the context of reaction mechanisms, what type of bonds are typically broken during the unwinding stage of DNA replication?

In the context of organic reaction mechanisms, which sequence of arrow-pushing patterns correctly represents a typical S$N_1$ reaction mechanism?

Which of the following is best associated with a coupled reaction in organic chemistry?

Which statement correctly describes the placement of curved arrows on the reactant side of an $S{N}_1$ reaction mechanism?

Which of the following best describes the correct sequence of electron-pushing arrows in the acid-catalyzed hydrolysis of an $\mathrm{acetal}$ back to the corresponding $\mathrm{aldehyde}$?