The Following Questions Refer to the Reaction 2A₂ + B₂

question 24

Multiple Choice

The following questions refer to the reaction 2A₂ + B₂ → 2C. The mechanism below has been proposed:
-When ethyl chloride, CH₃CH₂Cl, is dissolved in 1.0 M NaOH, it is converted into ethanol, CH₃CH₂OH, by the reaction
CH₃CH₂Cl + OH^- → CH₃CH₂OH + Cl^-
At 25°C the reaction is first order in CH₃CH₂Cl, and the rate constant is 1.0 × 10^-3 s^-1. If the activation parameters are A = 3.4 × 10¹⁴ s^-1 and E_a = 100.0 kJ/mol, what will the rate constant be at 36°C? (R = 8.314 J/mol • K)

• A) 4.9× 10¹⁴ s^-1
• B) 1.4× 10^-3 s^-1
• C) 6.9× 10² s^-1
• D) 9.3× 10^-3 s^-1
• E) 4.2× 10^-3 s^-1

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