The Thermal Decomposition of Acetaldehyde, CH₃CHO → CH₄ + CO

question 38

Multiple Choice

The thermal decomposition of acetaldehyde, CH₃CHO → CH₄ + CO, is a second-order reaction. The following data were obtained at 518°C. Calculate the rate constant for the decomposition of acetaldehyde from the above data.

• A) 2.2 × 10^-3 s^-1
• B) 0.70 mmHg • s^-1
• C) 2.2 × 10^-3 /mmHg • s^-1
• D) 6.7 × 10^-6 /mmHg • s^-1
• E) 5.2 × 10^-5 /mmHg • s^-1

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