KMnO4=...+...+...?Cr(OH) 3=...+...?

Question

KMnO4=...+...+...?
Cr(OH) 3=...+...?

Answer 1

2KMnO4 = K2MnO4 + MnO2 + O2
2Cr(OH)3 = Cr2O3 + 3H2O

Answer 2

2Cr(OH)3=Cr2O3 + 3H2O условие : 430-1000 градусов