The Isomerization of Methyl Isocyanide,CH₃NC → CH₃CN,follows First-Order Kinetics

question 9

Multiple Choice

The isomerization of methyl isocyanide,CH₃NC → CH₃CN,follows first-order kinetics.The half-lives were found to be 161 min at 199°C and 12.5 min at 230.°C.Calculate the activation energy for this reaction.(R = 8.314 J/mol • K)

• A)6.17 × 10^-3 kJ/mol
• B)31.4 kJ/mol
• C)78.2 kJ/mol
• D)124 kJ/mol
• E)163 kJ/mol

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