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

question 13

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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