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If excess zinc is added to a bluish green solution of copper (II) sulphate, and...

JAMB 1978

If excess zinc is added to a bluish green solution of copper (II) sulphate, and the excess zinc filtered off after completion of reaction, a colourless solution is obtained because
  • A. both zinc and copper are metals
  • B. the sulphate radical and the zinc ion are divalent
  • C. zinc is more electropositive than copper
  • D. both zinc and copper form depositive ions in solution
  • E. zinc is a reducing agent
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Correct Answer: Option C
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