October 25, 2016

Homework Help: chemistry

Posted by Anonymous on Sunday, October 27, 2013 at 5:14pm.

Which one of the following is not a redox reaction?

PbO2(s) + Pb(s) + 2H2SO4(aq) 2PbSO4(s) + 2H2O(l)

Ba(NO3)2(aq) + Na2CrO4(aq) BaCrO4(s) + 2NaNO3(aq)

Zn(s) + 2MnO2(s) ZnO(s) + Mn2O3(s)

2H2O(g) 2H2(g) + O2(g)

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