The Isomerization of Methylisonitrile to Acetonitrile CH₃NC (G) → CH₃CN

question 12

Multiple Choice

The isomerization of methylisonitrile to acetonitrile CH₃NC (g) → CH₃CN (g)
Is first order in CH₃NC. The rate constant for the reaction is 9.45 × 10^-5 s^-1 at 478 K. The half-life of the reaction when the initial [CH₃NC] is 0.030 M is ________ s.

• A)1.06 × 10⁴
• B)5.29 × 10³
• C)3.53 × 10⁵
• D)7.33 × 10³
• E)1.36 × 10^-4