NEET2021Chemistry-Redox Reactions
NEET 2021 Chemistry Metal Displacement MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following reactions is the metal displacement reaction? Choose the right option.
A
2KClO₃ → 2KCl + 3O₂
B
Cr₂O₃ + 2Al → Al₂O₃ + 2Cr
C
Fe + 2HCl → FeCl₂ + H₂↑
D
2Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂↑
Correct Answer
Option B
Detailed Explanation
In a metal displacement reaction, a more reactive metal displaces a less reactive metal from its compound. Here, Al displaces Cr from Cr₂O₃.
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