Asked by tifany
1.suggest another liquid aside from nitrobenzene that would serve to prevent the dissociation of AgCl on addition of KSCN.
2.is it necessary to add nitrobenzene when the analyte is Br^-1 or I^-1? explain
2.is it necessary to add nitrobenzene when the analyte is Br^-1 or I^-1? explain
Answers
Answered by
DrBob222
1. I would hesitate to use another liquid since research has been done with nitrobenzene; however, benzene, might work as well.
2. No, since both AgBr and AgI are much more insoluble than AgCl. The Volhard procedure works well, also, if the AgCl ppt is filtered before the final titration with KSCN. The addition of nitrobenzene uses less time since filtration is not necessary.
2. No, since both AgBr and AgI are much more insoluble than AgCl. The Volhard procedure works well, also, if the AgCl ppt is filtered before the final titration with KSCN. The addition of nitrobenzene uses less time since filtration is not necessary.
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