Which of the Following Reactions Is a Redox Reaction

question 81

Multiple Choice

Which of the following reactions is a redox reaction?
a. K₂CrO₄ + BaCl₂ - BaCrO₄ + 2KCl
b. Pb₂²⁺ + 2Br^- - PbBr
c. Cu + S - CuS

• A) (a) only
• B) (b) only
• C) (c) only
• D) (a) and (c)
• E) (b) and (c)

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Definitions:

Binary Oppositions

Pairs of contrasting concepts, such as light/dark or male/female, that are fundamental to some approaches in structuralist thought and analysis.

Langue

Langue is a term used in linguistics, referring to the abstract, systematic rules and conventions of a language, as opposed to parole, the actual use of language in context.

Signs

Symbols or objects that convey meaning beyond their immediate, literal sense, often used in communication.

Symbol Systems

Complex sets of symbols and meanings that are used by societies to communicate, interpret, and understand the world around them.