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Which of the following reaction will not take place under normal conditions?

Chemistry
WAEC 1990

Which of the following reaction will not take place under normal conditions?

  • A. Zn(s) + 2HCl → ZnCI2(aq) + H 2(g)
  • B. Fe (s) + H 2SO4(aq) → FeSO4(aq) + H2(g)
  • C. Cu (s) + 2HCI (aq) → CuCI 2(aq) + H2(g)
  • D. Ca(s) + 2H 2O (1) → Ca(OH)2(g) + H2(g)
  • E. 2Na(s) + 2H 2O (1) → 2NaOH(aq) + H2(g)
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Correct Answer: Option C
Explanation

When copper (Cu) is added to hydrochloric acid (HCl), no reaction occurs because copper is less reactive than hydrogen and cannot displace it from the acid; essentially, the copper will not react with the HCl. 


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