Given below are two statements :
Statement I : In the oxalic acid vs 
(in the presence of dil 
) titration the solution needs to be heated initially to 
, but no heating is required in Ferrous ammonium sulphate (FAS) vs 
titration (in the presence of dil 
)
Statement II : In oxalic acid vs 
titration, the initial formation of 
takes place at high temperature, which then acts as catalyst for further reaction. In the case of FAS vs 
, heating oxidizes 
into 
by oxygen of air and error may be introduced in the experiment.
In the light of the above statements, choose the correct answer from the options given below :
Text Solution
Verified by ExpertsB
For the titration : Oxalic acid 
This reaction is slow at room temperature but becomes fast at 
. Manganese(II) ions catalyse the reaction; thus, the reaction is autocatalytic; once manganese(II) ions are formed, it becomes faster and faster. The titration of FAS 
do not require heating because at higher temperature the oxidation of 
to 
by atmospheric 
will be prominent.
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