Advertisements
Advertisements
प्रश्न
Name the oxidising agent used for the conversion of ethanol to ethanoic acid. Distinguish between ethanol and ethanoic acid on the basis of (i) litmus test, (ii) reaction with sodium carbonate
Advertisements
उत्तर
Concentrated acidified potassium dichromate, K2Cr2O7 [K2Cr2O7/H2SO4 (conc.)] is the oxidising agent used for conversion of ethanol to ethanoic acid.
(i) Litmus test will be given by ethanoic acid. It will turn the blue litmus solution red whereas in ethanol no such colour change is observed.
(ii) Ethanoic acid will react with sodium carbonate and a brisk effervescence owing to formation of carbon dioxide will be observed.
2CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2
On the other hand ethanol will not react with sodium carbonate.
C2H5OH + Na2CO3 → No reaction
संबंधित प्रश्न
Write the molecular formula of the 2nd and the 3rd member of the homologous series whose first member is methane.
Fill in the blanks from the choices given within brackets:
The compound formed when ethanol reacts with sodium is____ (sodium ethanoate, sodium ethoxide, sodium propanoate).
Write the name of the following functional group:
What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved.
What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved.
What is meant by a functional group in carbon compounds?
From the given list, name the compound with −OH as part of its structure.
Convert ethanol into ethene using a solid dehydrating agent. Give only a balanced equation.
Dehydration of ethanol by conc. Sulphuric acid forms ______
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
