Explain reactions involves neither oxidation nor reduction

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Which of the following reactions involves neither oxidation nor reduction?explain

A) N2 + 3H2 ? 2NH3

B) NH4NO2 ? N2 + 2H2O

C) Cu + 2Ag+ ? Cu2+ + 2Ag

D) 2CrO42- + 2H+ ? Cr2O72- + H2O

E) C2H4 + H2 ? C2H6

Reference no: EM13222405

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