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

question 11

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

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Definitions:

Equilibrium

The state in which all acting influences are balanced in a physical system or in a chemical reaction, leading to stability.

Vestibulocochlear Nerve

The eighth cranial nerve responsible for transmitting sound and balance information from the inner ear to the brain.

Accessory Nerve

A cranial nerve that supplies motor functions to some muscles in the neck and shoulder.

Oculomotor Nerve

The third cranial nerve, controlling most of the eye's movements, including constriction of the pupil.