Which of the Following Reactions Is a Redox Reaction? (A)

question 86

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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