Which of the Following Statements About the Mechanism of the Addition

question 21

Multiple Choice

Which of the following statements about the mechanism of the addition shown below is true?

• A) The transition state for the rate-determining step resembles the starting materials.
• B) The addition of chloride anion occurs in the rate-determining step.
• C) The reaction proceeds via a concerted mechanism.
• D) The addition of the proton is an endothermic step in the reaction mechanism.
• E) The HCl acts as the nucleophile in the addition reaction.

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Definitions:

Characteristic Stretches

Specific vibrational movements observed in infrared spectroscopy, unique to various functional groups in a molecule.

Stretching Frequency

A term used in vibrational spectroscopy to describe the rate at which a bond between atoms vibrates, often measured in wave numbers (cm^-1).

Broad Absorption

In spectroscopy, it indicates a wide range of wavelengths over which a substance absorbs electromagnetic radiation.

IR Absorption

A technique used to identify and study chemicals by measuring the absorption of infrared radiation at different wavelengths.