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In the following half equation, which is the oxidizing agent? How & why?

NO3- (aq) + 4H+ (aq) + 3e- —> NO (g) + 2H2O

A) NO3-
B) H+
C) e-
D) NO
E) H2O

Sagot :

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Answer: A

Explanation:

Oxidation is the process through which electrons are gained. This indicates that only organisms on the electron side have the potential to be oxidizing agents. c, d, and e are, by definition, eliminated.

We also know that H+ is in the +1 oxidation state. The same is true for 'H' in H2O... it doesn't change oxidation states

Therefore, the answer must be a) nitrate

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