ChemistryNEET 2021Types of redox reactions

Redox Reactions

Which of the following reactions is a metal displacement reaction? Choose the right option.

A. $2KCl O_{3} Δ 2KCl + 3 O_{2}$
B. $C r_{2} O_{3} + 2Al Δ A l_{2} O_{3} + 2Cr$ ✓
C. $Fe + 2HCl \to FeC l_{2} + H_{2}$
D. $2Pb (N O_{3})_{2} \to 2PbO + 4N O_{2} + O_{2}$

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Last revised 7 Sept 2026. Found a mistake? Tell us — corrections are the fastest thing we act on.

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