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Sunday, July 3, 2022

When we titrate oxalic acid with a KMnO4 solution, it gets pink with the first drop of KMnO4 from the burette, why is that?

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When we add the first drop of potassium permanganate (KMnO4) to a solution of oxalic acid (C2H2O4), the reaction happens, without a catalyst...

Why does a temporary color appear in KMnO4 titration with oxalic acid?

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The titration of potassium permanganate (KMnO4) against oxalic acid (C2H2O4) is a redox titration . As the reaction intensifies, the color o...
Saturday, July 2, 2022

Why does oxalic acid decolorize potassium permanganate?

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KMnO4 is a potent oxidizer, and as a result, oxalic acid is oxidized to carbon dioxide (CO2).  Therefore, its deep purple color disappears a...
Friday, July 1, 2022

Why is it necessary to heat the oxalic acid solution?

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Oxalic acid (C2H2O4) solution required to be warmed along with diluted sulphuric acid (H2SO4) before being titrated against potassium perman...
Thursday, June 30, 2022

Endpoint in KMnO4 titration

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In the titration of KMnO4 and C2H2O, the oxalic acid is the analyte, and potassium permanganate is the titrant. The oxidizing and reducing a...

Why is an indicator not needed in titration with KMnO4?

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It’s because KMnO4 acts as a self-indicator, the indicator is not required in the titration of permanganometry. A self-indicator is a chemi...
Wednesday, June 29, 2022

Why KMnO4 is a self indicator

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Potassium permanganate (KMnO4) is a versatile and powerful oxidant. It can be used direct or indirect to classify many different substances....
Tuesday, June 28, 2022

What happens if too much indicator is added to a titration?

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Compounds that change color when added to acidic or alkaline solutions are called indicators. Most of the time, colored indicators are used ...
Monday, June 27, 2022

What happens if you use the wrong indicator in a titration?

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Compounds that change color at a certain pH level are called acid-base indicators . Usually, they are weak acids or bases, their color chang...
Saturday, June 11, 2022

Which indicator is used in the titration of the weak acid-weak base?

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Question:- Which indicator is used in the titration of the weak acid-weak base? The options are... A. Phenolphthalein B. Methyl orange C. Br...

Which indicator is used in the titration of a weak acid and strong base?

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Question:- Which indicator is used in the titration of a weak acid and strong base? The option are... A. Methyl orange B. Phenolphthalein C....

Which indicator is used in the titration of strong acid and weak base?

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Question:- Which indicator is used in the titration of strong acid and weak base? The options are... A. Phenolphthalein B. Bromothymol blue ...

Which indicator is used in the titration of strong acid and a strong base?

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Question:- Which indicator is used in the titration of strong acid and a strong base? The option are... A. Phenolphthalein B. Methyl orange ...
Thursday, June 9, 2022

Why is phenolphthalein used as an indicator in weak acid vs strong base titration?

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Phenolphthalein is an organic compound with the formula C20H14O4. It belongs to the phthalene family and is a weak acid that can lose H+ ion...

Why phenolphthalein is used as indicator in titration?

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A titration is a technique for determining the concentration of an unknown sample solution using a solution of known concentration. Generall...