taleiayarbough2940
01.08.2019 •
Chemistry
In the unbalanced equation below, what element is being reduced? mno2 + hcl → h2o + mncl2 + cl2 a. mn b. cl c. o d. h
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Ответ:
Manganese is reduced from MnIV+ to MnII+, so option A.
Explanation:And of course, for every reduction there is a corresponding oxidation: here, chloride ion is oxidized to zerovalent chlorine gas.
The overall (balanced) redox equation is:
MnO2(s)+4HCl(aq)→MnCl2(s)+Cl2(g)+2H2O(l)
Ответ:
Explanation:
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