The rate of reaction of methyl iodide with quinuclidine was measured in nitrobenzene, and...

The rate of reaction of methyl iodide with quinuclidine was measured in nitrobenzene, and then the rate of reaction of methyl iodide with triethylamine was measured in the same solvent. The concentration of the reagents was the same in both experiments.

a. Which reaction was faster?

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b. Which reaction had the larger rate constant?