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The reaction between ammonium chloride and sodium nitrite in aqueous solution can be

represented by the following equation.

NH4Cl(aq) + NaNO2(aq) → N2(g) + 2H2O(l) + NaCl(aq)

The graph generally shows the volume of nitrogen gas produced at 30 second intervals from

a mixture of ammonium chloride and sodium nitrite in aqueous solution at 20°C.

(a) (i) State how the rate of formation of nitrogen changes with time. Explain your

answer in terms of collision theory.

(ii) Explain why the volume eventually remains constant.

(b) (i) State how the rate of formation of nitrogen would change if the temperature

were increased from 20°C to 40°C.

(ii) State two reasons for the change described in (b)(i) and explain which of the

two is more important in causing the change.

(iii) The reaction between solid ammonium chloride and aqueous sodium nitrite

can be represented by the following equation.

NH4Cl(s) + NaNO2(aq) → N2(g) + 2H2O(l) + NaCl(aq)

State and explain how the rate of formation of nitrogen would change if the

same amount of ammonium chloride was used as large lumps instead of as a

fine powder.

2 Answers

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  • Mike A
    Lv 7
    5 months ago
    Best answer

    Where's the graph?

    • Hello Mike A sir,Is there a way to upload an image of a graph on Yahoo answers?

  • Anonymous
    5 months ago

    asdddddddddddddddddddddddddddddddd

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