The Rate Constant of the Reaction Cl + CHCl₃ →

question 38

Multiple Choice

The rate constant of the reaction Cl + CHCl₃ → HCl + CCl₃ is 5.8 × 10⁷ M^-1 s^-1 at 25°C and has an activation energy of 11.0 kJ/mol. Calculate the rate constant for this reaction in the lower stratosphere where the temperature is -57°C.

• A) 1.1 × 10⁷ M^-1 s^-1
• B) 4.2 × 10⁷ M^-1 s^-1
• C) 4.9 × 10⁹ M^-1 s^-1
• D) 9.5 × 10⁶ M^-1 s^-1
• E) 2.7 × 10⁹ M^-1 s^-1

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