Provide an electron-pushing mechanism for the S_N2 reaction shown below.

Which of the following S_N2 reactions would proceed faster? Explain why.

Does a more sterically hindered alkyl halide correspond to a slower or faster S_N2 reaction rate?

In an S_N2 reaction, sort the given alkyl chlorides from most to least reactive: 1-chloro-3-methylhexane, 1-chloro-2-methylhexane, 2-chloro-2-methylhexane, and 1-chloroheptane.

For the reaction given below, provide a suitable mechanism that illustrates why the retention of the reactant's configuration at the chiral center is observed in the product.

How is the relative rate of SN2 expected to change when the reaction below is carried out in a solvent with greater polarity?

Which compound in the given pairs would undergo an S_N2 reaction more rapidly?