Chemistry 0620 · IGCSE · Preparation of salts

Preparation of salts — practice question

Details of some silver compounds are listed in the table. Which equation represents a reaction that cannot be used to prepare a silver salt?

  • A$\text{AgNO}_3(aq) + \text{HCl}(aq) \rightarrow \text{AgCl}(s) + \text{HNO}_3(aq)$
  • B$\text{Ag}_2\text{O}(s) + 2\text{HNO}_3(aq) \rightarrow 2\text{AgNO}_3(aq) + \text{H}_2\text{O}(l)$
  • C$\text{Ag}_2\text{CO}_3(s) + 2\text{HNO}_3(aq) \rightarrow 2\text{AgNO}_3(aq) + \text{H}_2\text{O}(l) + \text{CO}_2(g)$
  • D$2\text{Ag}(s) + 2\text{HCl}(aq) \rightarrow 2\text{AgCl}(s) + \text{H}_2(g)$

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