Citric Acid Cycle (Krebs Cycle) occur in the Mitochondria of the cell
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The oxidation number for ba is -2
Answer and explanation:
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In a neutral compound, the charges must balance, the net
charge should be zero.
Since the charge of Fe is 3+ and that of O is 2-, therefore,
there should be 2 Fe 3+ ions per 3 O2- ions in order to have a net charge of
zero.