Which of the Following Statements About the S_N2 Mechanism for Nucleophilic

question 53

Multiple Choice

Which of the following statements about the S_N2 mechanism for nucleophilic substitution reactions is true?

• A)Involves one step and occurs with retention of configuration.
• B)Involves two steps and occurs with inversion of configuration.
• C)Involves one step and occurs with inversion of configuration.
• D)Involves one step and occurs with racemization.

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Definitions:

Hyperpolarizes

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Absolute Refractory Period

A period immediately following the transmission of an impulse in nerve or muscle in which it cannot respond to another stimulus, ensuring the unidirectional flow of impulses.

Cardiac Muscle Cells

Specialized muscle cells found in the heart that have the ability to contract automatically and rhythmically, contributing to heart contraction.

Tetanus

A bacterial infection characterized by muscle stiffness and spasms, caused by the bacterium Clostridium tetani.