What is the number of chemical elements K4 [Fe (CN) 6]?

Substance given: potassium hexacyanoferrate (2).
It consists of:
K is potassium.
Fe-iron.
C- carbon.
N- nitrogen.
Thus, the number of chemical elements in potassium hexacyanoferrate is 4.

The names of this salt are: potassium veinsistocyanide, potassium ferrocyanide, yellow blood salt, yellow bluecali, yellow salt, blood-alkali salt.
Potassium ferrocyanide – added to table salt as an anti-caking agent, but most actively used to demetallize wines.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.