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OpenStudy (anonymous):
Which of the following chemical reactions is an oxidation-reduction reaction? A.CuSO4 + BaCl2 yields BaSO4 + CuCl2 B.Pb(NO3)2 + 2NaCl yields PbCl2 + 2NaNO3 C. N2 + 3H2 yields 2NH3 D.K2SO4 + BaCl2 yields BaSO4 + 2KCl
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OpenStudy (anonymous):
the answer is C btw.
OpenStudy (cuanchi):
why do you think is C?
OpenStudy (rushwr):
I too think it is C Cuz N2 has zero oxidation and it goes to -3 oxidation state. And H2 also from zero it goes to +1 oxidation state
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