Question: Two different compounds have the formulation CoBr(SO4) 5NH3. Compound A is dark violet, and compound B is red-violet. When compound A is treated with AgNO3

Two different compounds have the formulation CoBr(SO4) ∙5NH3. Compound A is dark violet, and compound B is red-violet. When compound A is treated with AgNO3 (aq), no reaction occurs, whereas compound B reacts with AgNO3(aq) to form a white precipitate.When compound A is treated with BaCl2(aq), a white precipitate is formed, whereas compound B has no reaction with BaCl2(aq). (a) Is Co in the same oxidation state in these complexes? (b) Explain the reactivity of compounds A and B with AgNO3(aq) and BaCl2(aq). (c) Are compounds A and B isomers of one another? If so, which category from Figure 23.19 best describes the isomerism observed for these complexes? (d)Would compounds A and B be expected to be strong electrolytes, weak electrolytes, or nonelectrolytes?

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