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Question 8 (1 point) Is Co' to Co a reduction or an oxidation, or neither? Al oxidation B) neither O Q) reduction Question 9 (1 point) If the following redox reaction were balanced, what would be the sum of all reactants and products, including electrons, if any? O A) 10 O B) 7 O DJ Question 10 [1 point) Determine the oxidation number of the nitrogen in NHat OA +3 O BI - OO +1 O D) +4 OB -4 Question 11 [1 point) If the following equation was balanced, the coefficient of NO would be: Ag+ H' - NO - A7 + NO - HO O B) 2 005 O DJ 4 O0 1 Question 12 [1 point) Which of the following compounds has an oxidation number of +3 for the manganese? O Al Mn/150413 BI MnD O CI MnO2 O DJ NaMnDA OB KMnDA