explain what is occuring in each of the following proceduresor tests from this experiment a-formation of a red precipitate after addition

explain what is occuring in each of the following proceduresor tests from this experiment

a-formation of a red precipitate after addition ofdimethylglyoxine to a solution

b- formation of a red brown solution and plate tanprecipitate after addition of ki to a solution

c- formation of a red brownprecipitate after addition of NH3to your original solution