Which one of the following is the <strong>CORRECT</strong> arrangement of metals in the decreasing order of their reactivity?
- A. Iron, Sodium, Silver, Copper
- B. Silver, Copper, Iron, Sodium
- C. Sodium, Copper, Silver, Iron
- D. Sodium, Iron, Copper, Silver ✓
Correct Answer: D. Sodium, Iron, Copper, Silver
Explanation
According to the reactivity series of metals, the order of decreasing reactivity is Sodium (most reactive), Iron, Copper, and Silver (least reactive).
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