The Reduction of M³⁺ by Cr²⁺ Was Studied with [Cr²⁺]

question 77

Multiple Choice

The reduction of M³⁺ by Cr²⁺ was studied with [Cr²⁺] 100 times the concentration of Cr²⁺ .When [Cr²⁺] = 0.0050 M,The rate was 2.5 s^-1.The rate constant for this reaction is

• A) 1.3 M^-1·s^-1
• B) 0.013 M^-1·s^-1
• C) 5.0 M^-1·s^-1
• D) 500 M^-1·s^-1

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