Which of the Following S_N2 Reactions Is the Fastest

question 226

Multiple Choice

Which of the following S_N2 reactions is the fastest?

• A)CH₃CH₂CH₂CH₂Br + OH^- → CH₃CH₂CH₂CH₂OH + Br^-
• B)CH₃CH₂CH₂CH₂Br + H₂O → CH₃CH₂CH₂CH₂OH + HBr
• C)CH₃CH₂CHBrCH₃ + OH^- → CH₃CH₂CHOHCH₃ + Br^-
• D)CH₃CH₂CHBrCH₃ + H₂O → CH₃CH₂CHOHCH₃ + HBr

---

Definitions:

Inspiratory Reserve Volume

Maximum volume of air that can be inspired after a normal inspiration.

Forced Expiration

The act of expelling air from the lungs with effort beyond normal exhalation, often used in pulmonary testing.

Residual Volume

Volume of air remaining in the lungs after a maximum expiratory effort.

Inspiratory Reserve Volume

The amount of air that can be forcibly inhaled after a normal inspiration, reflecting the capacity for additional air intake beyond the typical tidal volume.