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What is oxidized in the reaction represented by the following equation? 3CU + 8HNO3 →...

Chemistry
WAEC 2001

What is oxidized in the reaction represented by the following equation? 3CU + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O

  • A. Oxygen
  • B. Hydrogen
  • C. Nitrogen
  • D. Copper
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Correct Answer: Option D
Explanation

Copper is oxidized because there is an increase of oxidation number from 0 (LHS) to +2 (RHS).

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