What Type of Reaction Mechanism Accounts for the Reaction of an Alkyne

question 44

Multiple Choice

What type of reaction mechanism accounts for the reaction of an alkyne with HBr to give an alkyl bromide?

• A) nucleophilic addition
• B) electrophilic addition
• C) radical addition
• D) elimination

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Definitions:

Chemical Signal

Molecule that binds to a macromolecule, such as receptors or enzymes, and alters their function; also called ligand.

Nuclear Concentration

Nuclear concentration refers to the density of atomic nuclei in a given volume area, often relevant in nuclear physics and related scientific research areas.

Posttranslational Processing

The modification of proteins after translation, including changes like phosphorylation, glycosylation, and cleavage.

Polysaccharide

Large molecules composed of many sugar molecules bonded together, serving as energy stores or structural components in living organisms.