Substance X is violet and substance Z is orange. They can form the ions X^- and Z^-, repectively - both of which are colorless. When a solution of Z is mixed with a colorless solution containing X^- ions, the color changes to violet. 1. What are the products of the reaction? a. X^- and Z b. only Z^- c. X^- and Z^- d. X and Z^- e. No reaction takes place

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