Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter20: Chemistry Of The Metals
Section: Chapter Questions
Problem 40QAP
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When acidic K2Cr2O7 solution is added to Na2S solution, green Cr3+ ions and free S are formed. When the same acidic K2Cr2O7 solution is added to the NaCl solution, no change is noted. Among the substances involved in these reactions which one is the best reducing agent?
- K2Cr2O7
- Na2S
- S
- Cr3+
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