Solving the problem of number 138 in Chemistry, IA Press, 2007, SZTU

Solving the problem of number 138 in Chemistry, IA Press, 2007, SZTU

Solving the problem of number 138 in chemistry training complex, IA Press, 2007 SZTU.
Control tasks.
Theme №7. Oxidation-reduction reaction
Terms problem number 138:
For reactions taking place on the above diagram, make equation by electronic balance. For each reaction, specify what substance is an oxidizer, and a - and a reducing agent by any atoms. Determine the types of redox reactions.

Additional information:

The task was checked by teachers of the department of physics of the North-West State Technical University (SZTU).
The solution is presented in the form of scanned manuscript with clear handwriting.