When Carbon Tetrachloride Reacts with Hot Water It Produces Phosgene

question 175

Multiple Choice

When carbon tetrachloride reacts with hot water it produces phosgene (COCl₂) . Phosgene was used in poison-gas warfare in World War I. Based upon this chemistry, carbon tetrachloride is no longer used in

• A) fire extinguishers.
• B) anesthetics.
• C) chemical reactions.
• D) toilet bowl cleaners.

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Definitions:

Mackintosh's Attentional

A theory explaining how the predictability of a stimulus influences its attentional control in associative learning.

Rescorla-Wagner

A model of conditioning that emphasizes the importance of the strength of the association between the conditioned and unconditioned stimulus.

CS Preexposure

A phenomenon where exposure to the conditioned stimulus before pairing it with the unconditioned stimulus can reduce the effectiveness of conditioning.

Sometimes-Opponent-Process Theory

A theory suggesting that emotional reactions to a stimulus are followed by opposite emotional reactions under certain conditions.