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Solution of the 228 on the chemistry of Shimanovich IL 2001-2004

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Content: 228-shim01-04.zip (9.32 KB)
Uploaded: 18.08.2012

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Description

228. Based on the oxidation state of chromium, iodine and sulfur compounds K2Cr2O7, KI and H2SO3, define; Which of these is only an oxidant and a reductant only may exhibit both oxidising and reducing properties. Why is that? On the basis of the electronic set up the coefficients of the equations in the equation reaction occurring under the scheme:
NaCrO2 + PbO2 + NaOH -> Na2CrO4 + Na2PbO2 + H2O

Additional information

After payment You get a ready-made solution to the problem in chemistry from 228 manuals for external students Shimanovich IL 2004. (Same as the manuals in 2001, 2003 - but just in case check against the conditions).
The decision is made in the format WORD (a racshirenie nomer_zadachi.doc). Archived archiver in ZIP archive. The solution passed repeatedly in the leading universities of the country, all the mistakes and shortcomings corrected.
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