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At Elevated Temperatures, Methylisonitrile (CH3NC) Isomerizes to Acetonitrile (CH3CN)

Question 91

Multiple Choice

At elevated temperatures, methylisonitrile (CH3NC) isomerizes to acetonitrile (CH3CN) :
CH3NC (g) → CH33CN (g)
The reaction is first order in methylisonitrile. The attached graph shows data for the reaction obtained at 198.9°C.
At elevated temperatures, methylisonitrile (CH<sub>3</sub>NC) isomerizes to acetonitrile (CH<sub>3</sub>CN) : CH<sub>3</sub>NC (g) → CH<sub>3</sub>3CN (g) The reaction is first order in methylisonitrile. The attached graph shows data for the reaction obtained at 198.9°C. The rate constant for the reaction is s<sup>-</sup><sup> </sup><sup>1</sup>. A) +5.2 × 10<sup>- </sup><sup>5</sup> B) +6.2 C) +1.9 × 10<sup>4</sup> D) - 5.2 × 10<sup>- </sup><sup>5</sup> E) - 1.9 × 10<sup>4</sup>
The rate constant for the reaction is s- 1.


A) +5.2 × 10- 5
B) +6.2
C) +1.9 × 104
D) - 5.2 × 10- 5
E) - 1.9 × 104

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