Describe a simple test that can be carried out in the laboratory to distinguish between manganese (IV) oxide and copper (II) oxide.

      

Describe a simple test that can be carried out in the laboratory to distinguish between manganese (IV) oxide and copper (II) oxide.

  

Answers


sharon
Add separate small portion of each to boiling tubes containing hydrogen peroxide
MnO2 – effervescence occurs, CuO no effervescence// Add separate small portions to H2SO4(aq) CuO blue solution forms, MnO2 Colourless solution// Add HCl(aq) MnO2 effervescence//green yellow gas// colourless solution.CuO – no effervescence//green/blue solution//Add HNO3(aq).
sharon kalunda answered the question on May 17, 2019 at 10:58


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