390. The reaction is expressed by the schemes:
KMnO4 KI H2SO4 = MnSO4 I2 K2SO4 H2O,
CuO H2 = Cu H2O.
Write electronic equations. Arrange the coefficients in the reaction equations. For each reaction, indicate which substance is the oxidizing agent, which is the reducing agent; which substance is oxidized and which is reduced.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.