Question

is Cobalt is stable catalyst or not​

Answer 1

The precursor of the ammonia synthesis catalyst based on cobalt molybdenum nitrides is cobalt molybdate hydrate CoMoO4·3/4H2O. ... This material is considered as an active phase of the catalyst. Co2Mo3N/Co3Mo3N mixture is stable under ammonia synthesis atmosphere even at a high temperature (700 °C).