Chemistry · Redox Reactions
Which of the following reactions is a metal displacement reaction?
- 1Fe + 2HCl → FeCl2 + H2↑
- 2Cr2O3 + 2Al → Al2O3 + 2Cr✓
- 32KClO3 → 2KCl + 3O2
- 42Pb(NO3)2 → 2PbO + 4NO2 + O2↑
Correct answer
Cr2O3 + 2Al → Al2O3 + 2Cr
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