Examine the Following Half-Reactions and Select the Weakest Oxidizing Agent

question 50

Multiple Choice

Examine the following half-reactions and select the weakest oxidizing agent among the species listed. AuBr₄(aq) + 3e⁻ ⇄ Au(s) + 4Br⁻(aq) E° = 0.854 V
Mn²⁺(aq) + 2e⁻⇄ Mn(s) E° = −1.185 V
K⁺(aq) + e⁻⇄ K(s) E° = −2.931 V
F₂O(aq) + 2H⁺(aq) + 4e⁻⇄ 2F⁻(aq) + H₂O(l) E° = 2.153 V

• A)AuBr ₄⁻( aq)
• B)Mn ²⁺( aq)
• C)K ⁺( aq)
• D)F ₂O( aq)
• E)H ⁺( aq)

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Definitions:

ON Condition

A state where a circuit is complete, allowing current to flow, or a logical condition that has been met.

PLC Programming Languages

Languages developed to create programs for Programmable Logic Controllers, including Ladder Diagram, Function Block Diagram, and Structured Text.

Graphical Language

A visual programming language where the user creates programs by manipulating graphical elements rather than writing textual code.

Function Block Diagram

A graphical programming language used in PLCs and other control systems, representing functions between input and output.