During estimation of oxalic acid vs `KMnO_(4)`, self indicator is:

During the titration of oxalic acid againts KMnO_(4) , the auto catalyst used is

During oxidation of oxalic acid by acidified KMnO_4 how many unpaired electrons are present in the autocatalyst ?

In oxidation of oxalic acid by KMnO_(4) , the colour of KMnO_(4) disappears slowly in the start of reaction but disappears very fast afterwards. This is an example of :-

In oxidation of oxalic acid by KMnO_(4) , the colour of KMnO_(4) disappears slowly in the start of reaction but disappears very fast afterwards. This is an example of :-

During the estimation of Mohr’s salt by using KMnO_4 on adding acid KMnO_4 to acidified Mohr’s salt- solution, pink colour of KMnO_4 vanished:- Give the chemistry of the reaction.

The oxidation of oxalic acid by acidified KMnO_(4) is an example of autocatalyiss. It is due to which of the following ?

The oxidation of oxalic acid by acidified KMnO_(4) is an example of autocatalyiss. It is due to which of the following ?

The autocatalyst in the oxidation of oxalic acid by acidified KMnO_4 is

In the estimation of an oxalate with KMnO_(40 solution which of the following is used as indicator ?