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KMnO4 is pink in a solution without oxidizing reagents. Adding ethanol should change it to a brown solution. If adding ethanol can not change the solution to brown, then its environment is already acidic and will not reduce.

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Q: Why does the color of potassium permanganate not disappear when excess of ethanol is added to it?
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Does the colour of potassium permanganate persist when it is added initialy to heated 3ml of ethanol?

When potassium permagnate is added initially to ethanol, ethanol gets oxidised into ethanoic acid using potassium permagnate. Thus, decolorizing potassium permagnate. When excess is added , the color of potassium permagnate persists.


Why the color of potassium perpanganate disappears if it is added to warm solution of ethanol?

When potassium permanganate reacts with ethanol, it releases oxygen. ie, an atom of oxygen thus converting the ethanol to acetic acid. Initially colour disappears because coloured permanganate ions of potassium permanganate are consumed to oxidise ethanol. C 2 H 5 OH (WITH ALKALINE KMnO 4) CH 3 COOH+H 2 O Remember :When excess is added colour does not change because there is no more alcohol left and hence there is no reaction.


Why no use indicator in the standardizing potassium permanganate titration?

Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.


What type of indicator is used during potassium permanganate titration?

Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.


You react 25.0 liters of oxygen gas at stp with 50.0 ml of ethanol liquid ethanol has a density of 0.789 gml the excess reactant is?

The question is not clear , if it is for the combustion of ethanol then 25litre of oxygen is in large excess for 25 ml of ethanol.


Is citric acid solubility in ethanol?

Yes, citric acid neutralizes the severity of ethanol when it's consumed in excess.


How do convert ethanol to chloroform?

By the action of NaOH and Cl2 (in excess).


Add an excess of potassium iodide to copper sulphate solution how much is excess?

gg


Excess potassium ion is eliminated from the body by?

Kidney


What makes you drunk in beer?

Ethanol is the substance that, if consumed in excess, can cause intoxication.


Can excess extra neutral alcohol sediment in water?

Ethanol and water are miscible.


How do you remove excess urea in the body?

Urea is soluble in ethanol.