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

  • Oxygen
  • Hydrogen
  • Nitrogen
  • Copper checkmark

The correct answer is: D

Explanation

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

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