one mole of ethanol C2H6O is oxidized bi potassium permanganate solution which is acidified with sulphuric acid, forming ethanoic acid C2H4O2, if the percentage of the actual yield is 60%, so what is the mass of ethanoic acid which can be actually collected from the oxidation of 2.3g of ethanol?
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Answer:
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Answer:
(a) Ethanoic acid is obtained from ethanol by the means of oxidation reaction. When ethanol is heated with alkaline potassium permanganate solution (or acidified potassium dichromates solution), it gets oxidised to ethanoic acid. It is called an oxidation reaction because oxygen is added to it during this conversion.
CH
3
CH
2
OH(l)+2[O]
or acidified K
2
Cr
2
O
7
Alkaline KMnO
4
; Heat
CH
3
COOH(l)+H
2
O(l)
(b) Litmus test : Some blue litmus solution is added to the organic compound (to be tested). If the blue litmus solution turns red, it shows that the organic compound is acidic in nature and hence it is a carboxylic acid (Ethanoic acid). Ethanol has no effect on any litmus solution.
(c) When soap is used for washing clothes with hard water, a large amount of soap in water reacts with the Calcium and Magnesium ions of hard water to form an insoluble precipitate called scum. This makes the cleaning of clothes difficult