What is the product when concentrated Nitric acid (HNO₃) reacts with Copper (Cu) metal?

  1. Cu(NO₃)₂ and H₂
  2. Cu(NO₃)₂ and NO
  3. Cu(NO₃)₂ and NO₂
  4. CuO and N₂

📝 Batafsil tushuntirish

Concentrated HNO₃ is a strong oxidizing agent. With metals like Copper, it produces NO₂ gas, whereas dilute HNO₃ typically produces NO gas.
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