Which of the Following Is the First Step in the Acid

question 14

Multiple Choice

Which of the following is the first step in the acid catalyzed formation of an acetal?

• A) A proton is added to the carbonyl oxygen, giving a resonance-stabilized cation.
• B) An electrophile and a nucleophile react to form a new covalent bond.
• C) A proton is transferred from one oxygen to another oxygen.
• D) A tertiary carbocation is formed by breaking the bond between a hydroxyl group and a carbon.

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Definitions:

Amorphous

Lacking a definite shape or form; in materials science, referring to a solid that does not possess the long-range order characteristic of crystals.

Isotactic

A polymer configuration where all substituents are on the same side of the polymer chain.

Atactic

A term describing a polymer chain configuration where the substituents on the carbon backbone are randomly oriented, leading to an amorphous material.

Crystallinity

A measure of the degree to which a material has a well-defined crystal structure.