1.

Which of the following statement about KMnO_4 acting as oxidising agent is not true ?

Answer»

It can be USED as an oxidising AGENT in the presence of dil `H_2SO_4`
In the TITRATION of KMnO4 with Mohr's salt, the equivalent weight of Mohr's salt is same as its molecular weight.
It is necessary to warm the solution to 60 -`70^(@)`C for all `KMnO_4` titrations.
It acts as a self-indicator.

Solution :Only titrations involving liberation of `CO_2` are WARMED.


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