Cyanide is highly poisonous because it binds irreversibly to the iron in the haemoglobin of the red blood cells, preventing them from transporting oxygen. In the ferricyanide, the cyanide ligands are...
No! Rather it is a very important element which exists in our body as ions. However, excess of it in the blood (hyperkalemia) is bad, as it can lead to cardiac arrest. Similarly, hypokalemia (low...