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Write a Balanced Half Equation for the Following Couple: NO3-

Question 91

Multiple Choice

Write a balanced half equation for the following couple: NO3- NO2- (basic)


A) NO3- + 2 H+ + 2 e- → NO2- + H2O
B) NO3- + 2 H2O + 2 e- → NO2- + 2 OH- + 2 H2O
C) NO3- + H2O + 2 e- → NO2- + 2 OH-
D) NO3- + H2O + e- → NO2- + OH-
E) NO3- + H2 + e- → NO2- + OH-

Correct Answer:

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