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0731. Solving a chemistry problem
Uploaded:
18.11.2023
Content: 39.zip 6,23 kB
Content: 39.zip 6,23 kB
Product description
39. When potentiometric titration of a solution of nitrogen-containing compounds with perchloric acid in an ethyl methyl ketone medium, the following titration jumps were obtained on the titration curve: piperidine - 500 mV, methylbenzimidazole - 250 mV, 3,5-dimethylpyrazole - 100 mV, acridine - 150 mV, pyridine - 120 mV. What can be said about the strength of these bases in methyl ethyl ketone? What will the curve look like for the titration of a mixture of piperidine, methylbenzimidazole and 3,5-dimethylpyrazole with perchloric acid?
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