Chemistry Practice Problems Formation Constant Practice Problems Solution: Which reaction below corresponds to the K f for Co...

Solution: Which reaction below corresponds to the K f for Co(NH3)42+:             A.  Co2+(aq) + 4 NH3(aq) → Co(NH3)42+(aq)             B.  Co(s) + 4 NH3+(aq) → Co(NH3)42+(aq)             C.  Co(NH3)42+(aq) → Co2+(aq) + 4 NH3(aq)             D. Co(NH3)42+(aq) → Co(s) + 4 NH3+(aq)             E. Co(NH3)42+(aq) + 4 H2O(l) → Co(NH4)42+(aq) + 4 OH−(aq)  

Problem

Which reaction below corresponds to the K f for Co(NH3)42+:

            A.  Co2+(aq) + 4 NH3(aq) → Co(NH3)42+(aq)

            B.  Co(s) + 4 NH3+(aq) → Co(NH3)42+(aq)

            C.  Co(NH3)42+(aq) → Co2+(aq) + 4 NH3(aq)

            D. Co(NH3)42+(aq) → Co(s) + 4 NH3+(aq)

            E. Co(NH3)42+(aq) + 4 H2O(l) → Co(NH4)42+(aq) + 4 OH(aq)