What Would Be the Effect on the ¹H

question 15

Multiple Choice

What would be the effect on the ¹H NMR spectrum of adding a drop of D₂O to a sample of the molecule shown here?

• A) Adding the D₂O will cause more hydrogen bonding and will change the chemical shift of the hydroxyl proton.
• B) Adding the D₂O will cause less hydrogen bonding and will change the chemical shift of the hydroxyl proton.
• C) A new signal for D₂O will appear in the ¹H NMR spectrum.
• D) A deuterium atom will exchange for the hydroxyl proton and the signal in the ¹H NMR spectrum will disappear.
• E) Adding D₂O will have no effect on the ¹H NMR spectrum.

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Definitions:

Observational Learning

A learning process through watching others, retaining the observed behavior, and later replicating it without having been directly taught or reinforced for it.

Basic Research

Pure science that aims to increase the scientific knowledge base.

Albert Bandura

A prominent psychologist known for his work on social learning theory, suggesting that people learn through observation and interaction with others.

B.F. Skinner

An American psychologist and behaviorist known for his work in operant conditioning, emphasizing the role of reinforcement and punishment in shaping behavior.