Chemistry · May / June 2016 · Paper 12 · Question 26
5070Reversible reactions and equilibrium
The diagram shows a flow chart for the manufacture of fertiliser. In the flow chart, what are W, X, Y and Z?
- AW = H₂, X = N₂, Y = high, Z = NH₃
- BW = O₂, X = SO₂, Y = high, Z = SO₃
- CW = O₂, X = SO₂, Y = low, Z = SO₃
- DW = N₂, X = H₂, Y = high, Z = NH₃
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Correct answer: D. W = N₂, X = H₂, Y = high, Z = NH₃
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