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Question
In permanganetic titrations, the indicator used to obtain end point is :
In permanganetic titrations, the indicator used to obtain end point is :
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Solution
The correct option is D self indicator
During permanganate tirtrations such as titration of potassium permanganate with oxalic acid, oxalic acid solution is in conical flask and potassium permanganate solution is in the burrete.
As the end point is reached, the solution changes colour to pink as potassium permanganate has intense purple colour. Even slight excess of it will give pink colour.
Option C is correct.
During permanganate tirtrations such as titration of potassium permanganate with oxalic acid, oxalic acid solution is in conical flask and potassium permanganate solution is in the burrete.
As the end point is reached, the solution changes colour to pink as potassium permanganate has intense purple colour. Even slight excess of it will give pink colour.
Option C is correct.
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