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Answer these question briefly 1. Why is [Fe(H20)613+ pale purple? And why is [Fe(phen)3]2+ deep red? 2. An electron transfer reaction of [Cr(H20)6]2+ with [CO(NH3),
Answer these question briefly 1. Why is [Fe(H20)613+ pale purple? And why is [Fe(phen)3]2+ deep red? 2. An electron transfer reaction of [Cr(H20)6]2+ with [CO(NH3), (SCN)]2+ gives two types of Cr complexes. Show the chemical formulas of the Cr complexes of the products and explain why they are obtained. 3. The formal oxidation number of vanadium in [V(CO)6] is -1. Why is the metal stable at a negative oxidation number even though it is an element that is easily cationized
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