Which SN2 reaction in the following pair is faster: (A) $\mathrm{CH}{3}_2\mathrm{CHBr}$ with $\mathrm{OH}-$ or (B) $\mathrm{CH}{3}_3\mathrm{CBr}$ with $\mathrm{OH}-$?

For each pair, choose the nucleophile that would react most quickly in an S_N2 reaction (assume H₂O is the solvent).

(a) F^- vs Br^-

For each pair, choose the nucleophile that would react most quickly in an S_N2 reaction (assume H₂O is the solvent).

(b)

For each pair, choose the nucleophile that would react most quickly in an S_N2 reaction (assume H₂O is the solvent).

(d)

Which of the following pairs of substrates will undergo an $S{N}_2$ reaction faster: (A) ${\mathrm{CH}}_3\mathrm{Br}$ vs. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}$, (B) ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}$ vs. ${\mathrm{(CH}}_3{)}_2\mathrm{CHBr}$, (C) ${\mathrm{(CH}}_3{)}_2\mathrm{CHBr}$ vs. ${\mathrm{(CH}}_3{)}_3\mathrm{CBr}$?

Which energy diagram best represents an $S{N}_2$ reaction?

Which of the following compounds will undergo an $S_{\mathrm{N}}2$ reaction most readily?

Examine the two $S{N}_2$ reactions below: (A) ${\mathrm{CH}}_3\mathrm{Br}$ with $\mathrm{OH}-$ and (B) ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}$ with $\mathrm{OH}-$. Which reaction will proceed at a faster rate?

Select the single best answer. Which $S{\mathrm{N}}_2$ reaction in the following pair is faster? (A) $\mathrm{CH}{3}_2\mathrm{CHBr}$ with $\mathrm{OH}-$ or (B) $\mathrm{CH}{3}_3\mathrm{CBr}$ with $\mathrm{OH}-$