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.

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.