Which of the following is an example of a metal displacement redox reaction? — Redox Reactions and Volumetric Analysis Chemistry Question

💡 Solution & Explanation

In a metal displacement reaction, a more reactive metal in its elemental state displaces a less reactive metal from its compound. In option D, elemental $Al$ (oxidation state 0) displaces $Cr$ (+3) to yield elemental $Cr$ (0) and $Al_2O_3$.