How Many of the Following Molecules Have Sp₂ Hybridization on the Central

question 28

Multiple Choice

How many of the following molecules have sp₂ hybridization on the central atom?
COH₂ Si F₄ B F₃ C₂Cl₂

• A) 0
• B) 4
• C) 3
• D) 2
• E) 1

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Definitions:

Nauseous Reaction

A nauseous reaction is a physiological response to various stimuli, resulting in the urge to vomit.

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without prior learning or conditioning.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with the unconditioned stimulus, evokes a conditioned response.

Classical Conditioning

An educational method where two stimuli are consistently associated together, leading to a reaction initially triggered by the second stimulus being provoked solely by the first stimulus over time.