A Voltaic Cell Is Prepared in Which Copper Metal Is

question 110

Multiple Choice

A voltaic cell is prepared in which copper metal is oxidized to Cu(II) , and silver ion is reduced to silver metal. Which of the following represents the equation for the reaction that occurs at the anode?

• A)Cu(s)- 2e^- → Cu²⁺(aq)
• B)Cu(s)→ Cu²⁺(aq)+ 2e^-
• C)2Cu(s)→ 2Cu²⁺(aq)+ e⁻
• D)Ag⁺(aq)+ e^- → Ag(s)
• E)Ag(s)→ Ag⁺(aq)+ e^-

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Definitions:

Functional Fixedness

A cognitive bias that limits a person to using an object only in the way it is traditionally used, hindering problem-solving and creativity.

Anchoring

A cognitive bias that describes the common human tendency to rely too heavily on the first piece of information offered when making decisions (the "anchor").

Adjustment Heuristic

A mental shortcut used to make decisions or judgments based on how easily an example, instance, or case comes to mind.

Framing Effect

The influence of context or wording on people's decisions and judgments.