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Related Topic: Sulphur and its Compounds

Related Subtopic: Chemical properties of sulphur



Questions 5.1.4 (d)

  1. Describe the observations made.
  2. Copper and sulphur show a valency of 1 and 2 respectively in their direct combination with each other. Name the product and state its formula.
  3. Write an equation for the reaction between sulphur and copper.


Answers to Questions 5.1.4 (d)


  1. A bright red glow; a grey solid is produced.
  2. Copper (I) sulphide; Cu2S
  3. 2Cu(s) + S(s) → Cu2S(s)



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