The Reaction CH₃NC(g) → CH₃CN(g) Is First-Order with Respect to Methyl

question 3

Multiple Choice

The reaction CH₃NC(g) → CH₃CN(g) is first-order with respect to methyl isocyanide, CH₃NC. If it takes 10.3 minutes for exactly one quarter of the initial amount of methyl isocyanide to react, what is the rate constant in units of min⁻¹?

• A)−0.135 min ⁻¹
• B)0.0279 min ⁻¹
• C)0.089 min ⁻¹
• D)0.135 min ⁻¹
• E)35.8 min ⁻¹

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Definitions:

Haploid Gametes

Haploid gametes are reproductive cells, such as sperm and eggs, that contain only one set of chromosomes, half the number present in other cells.

Chromosome Number

The total count of chromosomes present in the cell of an organism, specific to each species.

Sister Chromatids

Identical copies of a chromosome connected together by a centromere, produced during DNA replication.

Mitotic Spindle

A structure composed of microtubules that separates chromosomes into daughter cells during cell division.