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

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