Chemistry · Chemical Reactions and Equations
Which of the following represents a double displacement reaction?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Zn(s) + CuSO 4 (aq) → ZnSO 4 (aq) + Cu(s)
- 2Fe(s) + CuSO 4 (aq) → FeSO 4 (aq) + Cu(s)
- 3CuSO 4 (aq) + H 2 S(g) → CuS(s) + H 2 SO 4 (aq)✓
- 4Pb(s) + CuCl 2 (aq) → PbCl 2 (aq) + Cu(s)
Correct answer
CuSO 4 (aq) + H 2 S(g) → CuS(s) + H 2 SO 4 (aq)
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