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May 29, 2015

Homework Help: chemistry

Posted by write2khin on Saturday, April 10, 2010 at 8:56pm.

1) All of the following are oxidation-reduction reactions except
(a) 2Al(s) + Fe2O3(s) ---> A12O3(s) + 2Fe(s)
(b) (NH4)2Cr2O7(s) ---> Cr2O3(s) + N2(g) + H2O(1)
(c) Cu(s) + 2H2SO4(aq) ---> CuSO4(aq) + SO2(g) + 2H2O(1)
(d) Hg(NO3)2 + 4KI ---> K2HgI4(aq) +
2 KNO3(aq)
(e) 2Na(s) + 2H2O(1) --> 2NaOH(aq) +
H2(g)

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