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At Elevated Temperatures, Methylisonitrile (CH3NC)isomerizes to Acetonitrile (CH3CN): CH3NC (G)

Question 113

Multiple Choice

At elevated temperatures, methylisonitrile (CH3NC) isomerizes to acetonitrile (CH3CN) : CH3NC (g) → CH3CN (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>CN (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>-1</sup>. A) -1.9 × 10<sup>4</sup> B) +1.9 × 10<sup>4</sup> C) -5.2 × 10<sup>-5</sup> D) +5.2 × 10<sup>-5</sup> E) +6.2 The rate constant for the reaction is ________ s-1.


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

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