Chemistry
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
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B.
the sulphate radical and the zinc ion are divalent
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C.
zinc is more electropositive than copper
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D.
both zinc and copper form depositive ions in solution
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E.
zinc is a reducing agent
Correct Answer: Option C
Explanation
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