Which of These Bases Can Deprotonate Acetylene (PK_a 26)? the

question 4

Multiple Choice

Which of these bases can deprotonate acetylene (pK_a 26) ? The pKa values for the conjugate acids are shown in parentheses.

• A) NaOH(15.7)
• B) Butyllithium (50-60)
• C) NaNH₂(36)
• D) NaHCO₃(6.3)
• E) Both b and c

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Definitions:

Previously Neutral

Refers to a stimulus that initially elicits no innate response until it is paired with an unconditioned stimulus in the learning process of classical conditioning.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus through conditioning.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired: a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Learned Reaction

A behavior or response that has been acquired through experience or conditioning.