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【Daily Question】Chemical Analysis Edition, 2018.11.20

2018-11-20View Original

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This post was last edited by zjp on 2018-11-20 08:32. Multiple-choice question: When using the Volhard method to determine Cl- in organic compounds, it is appropriate to add ***; its function is ( ). A. To enclose the precipitate, so as to prevent some of the Cl- from moving from the precipitate into the solution. B. To prevent silver chloride from undergoing a precipitation transformation reaction. C. Catalytic effect. D. Indicators AB
Reply #22018-11-20
A. Enclose the precipitate to prevent some of the Cl- from moving from the precipitate into the solution. B. Prevent silver chloride from undergoing precipitation transformation reactions
Reply #32018-11-20
A. Enclose the precipitate to prevent some of the Cl- from transferring from the precipitate to the solution

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