Oxidation-Reduction Reactions

AP Chemistry· difficulty 2/5

Which is NOT a redox reaction?

A
$HCl + NaOH \to NaCl + H₂O$
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B
$2 Fe + 3 Cl₂ \to 2 FeCl₃$
C
$Zn + 2 H⁺ \to Zn²⁺ + H₂$
D
$2 H₂ + O₂ \to 2 H₂O$

Explanation

Acid-base neutralization without ON change is not redox.

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