Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

The thermal decomposition of Group II nitrates follows the equation below. $\text{X(NO}_3)_2 \rightarrow \text{XO} + 2\text{NO}_2 + \tfrac{1}{2}\text{O}_2$ Which Group II nitrate needs the greatest temperature for its thermal decomposition to occur?

  • Abarium nitrate
  • Bcalcium nitrate
  • Cmagnesium nitrate
  • Dstrontium nitrate

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