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प्रश्न
Describe one reaction of ethanol.
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उत्तर
Ethanol gets oxidised to ethanoic acid in the presence of potassium permanganate solution (alkaline) which acts as an oxidising agent.
The chemical reaction is as follows:
CH3CH2OH + 2[O] → CH3COOH + H2O
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संबंधित प्रश्न
The compound formed when ethene reacts with Hydrogen is ________. (CH4, C2H6, C3H8)
Identify the term/substance in the following:
The catalyst used in the conversion of ethyne to ethane.
Give a balanced equation for the preparation of ethanol from monochloroethane and aq. sodium hydroxide.
Write the molecular formula of ethanol.
Match the formulae in group A with appropriate names from group B:
Group A: CH3COOH, CH3CHO, CH3OH
Group B: Ethanol, Methanol, Ethanal, Ethanoic acid
Draw the structures for the following compounds:
Propanal
State two used of ethanol (other than as a fuel).
What would be observed on adding a 5% alkaline potassium permanganate solution drop by drop to some warm ethanol in a test-tube? Write the name of the compound formed during the chemical reaction. Also write chemical equation of the reaction which takes place.
The usual disease caused by the excessive drinking of alcohol over a long period of time is:
(a) diabetes
(b) cataract
(c) cirrhosis
(d) arthritis
Identify the functional group of the CH3OH ?
In a tabular form, differentiate between ethanol and ethanoic acid under the following heads:
(i) Physical state
(ii) Taste
(iii) NaHCO3 test
(iv) Ester test
How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
Name the following:
Oxidising agent used to convert ethanol to acetic acid.
From the given list, name the homologue of the homologous series with the general formula CnH2n.
3 mL of ethanol is taken in a test tube and warmed gently in a water bath. A 5% solution of alkaline potassium permanganate is added to the first drop by drop to this solution, then in excess.
- How is a 5% solution of KMnO4 prepared?
- State the role of alkaline potassium permanganate in this reaction. What happens on adding it in excess?
- Write the chemical equation of this reaction.
At room temperature ethanol is _______.
Dehydration of ethanol by conc. Sulphuric acid forms ______
Give the balanced chemical equation of the following reaction:
Combustion of ethanol
Give the balanced chemical equation of the reaction:
Combustion of ethanol.
