Question
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Show transcribed image text Which statement is true concerning an oxidation-reduction reaction? The reactant which is reduced is the reducing reagent. The reactant which is oxidized is the reducing reagent. The reactant which gains electrons is the reducing reagent. The reactant which loses electrons is the oxidizing reagent. E. None of the statements. A-D, is true What is the oxidation number of vanadium in (NH4)3VO4? The CrO42- ion was involved in a chemical reaction during which it was transformed into Cr3+ ions. What is the change in oxidation number of the chromium atom? Balance the half-reaction, C12O7 rightarrow HClO, taking place in acidic media. How many electrons are needed to balance the half reaction? Consider the redox equation, Consider the redox equation, Which of the following is correct? Complete the balancing of the following half-reaction, taking place in basic media, How many hydroxide ions are needed to balance it? Complete the balancing of the following half-reaction, taking place in basic media, How many hydroxide ions are needed to balance it?
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