The Isomerization of Methylisonitrile to Acetonitrile

question 9

Multiple Choice

The isomerization of methylisonitrile to acetonitrile
CH₃NC(g) → CH₃CN(g)
Is first order in CH₃NC.The rate constant for the reaction is 4.76 × 10^-4 s^-1 at 498 K.The half-life of the reaction when the initial [CH₃NC] is 0.030 M is ________ s.

• A)2.10 × 10³
• B)1.05 × 10³
• C)7.00 × 10⁴
• D)1.46 × 10³
• E)6.87 × 10^-4

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