What decides the reducibility of ions in solids ? nature, environment (CN), counter-ions, elasticity ?

For instance, Nb is easy to reduce in KNbO3 (CN=6) and in other perovskites or in bronze BUT not in LaNbO4 (CN=4) or RE3NbO7 (CN=6-7)... Thanks for participating...

07 July 2017 9,131 4 View