please quickly answer my question about Estimation of the oxalate in the complex k3[cr(c2o4).3H2o lab experiment
1.Why the solution of the complex is acidified?
2.Why KOH solution is used in this experiment?
3.Why the normality of KMnO4 is standardized with standard sodium oxalate?
4.Why the solution is boil it for 10 minutes?
5.How we will able to estimate Chromium in the complex?