Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

When element X is treated with cold, dilute, aqueous sodium hydroxide, two distinct chlorine-containing products, Y and Z, are produced. What are the oxidation states of chlorine in Y and Z?

  • AY: $0$, Z: $+1$
  • BY: $0$, Z: $+5$
  • CY: $-1$, Z: $+1$
  • DY: $-1$, Z: $+5$

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