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2 marksMole Concept

CSEC Chemistry · January 2007 · Paper 2 · Question 3(b)(i)

Chlorine and ammonia react to form NH4Cl and NH2Cl only.

Write a balanced equation for the reaction between chlorine and ammonia.

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Other parts of this question

  1. 3(a)(i)Over what range of temperatures and pressures is ammonia NORMALLY produced by the Haber process?[1 mark]
  2. 3(a)(ii)a)Based on the information given in Figure 2, deduce whether increased yields of ammonia would result from conditions of high or low temperature.[2 marks]
  3. 3(a)(ii)b)Based on the information given in Figure 2, deduce whether increased yields of ammonia would result from conditions of high or low pressure.[1 mark]
  4. 3(a)(iii)Suggest TWO reasons why ammonia is not usually produced at 100°C and 1200 atm.[2 marks]
  5. 3(a)(iv)With reference to the properties of ammonia, nitrogen and hydrogen, suggest ONE way that ammonia can be separated from the other gases. Give a reason for your…[2 marks]
  6. 3(b)(ii)Both NH4Cl and NH2Cl dissolve in water. Aqueous NH4Cl conducts electricity, but aqueous NH2Cl does not. What does this information suggest about the type of…[2 marks]
  7. 3(b)(iii)Draw a dot-cross diagram to show the bonding in NH2Cl.[2 marks]
  8. 3(b)(iv)Suggest ONE reason why NH2Cl dissolves in water.[2 marks]

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