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प्रश्न
What is the common name of methanal?
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उत्तर
Formaldehyde is the common name for methanal.
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संबंधित प्रश्न
Give other two names of ethanol.
Name the compound formed when ethanol is heated in excess of conc. sulphuric acid at 443 K. Also, write the chemical equation of the reaction stating the role of conc. sulphuric acid in it. What would happen if hydrogen is added to the product of this reaction in the presence of a catalyst such as palladium or nickel?
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
Name the hydrocarbon formed when ethanol is heated with conc. H2SO4 at 170°C? What is this reaction known as?
Explain why, methanol is much more dangerous to drink than ethanol.
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.
Name the gas evolved when ethanol reacts with sodium.
What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved.
When ethanol reacts with sodium metal, it forms two products. These products are:
(a) sodium ethanaoate and oxygen
(b) sodium ethanaoate and hydrogen
(c) sodium ethoxide and oxygen
(d) sodium ethoxide and hydrogen
Give the lab. Prepared of ethyl alcohol .
how can we prepare ethane by reduction of a halogen compound?
Ethanol can be converted to ethene which can be changed to ethane.
Choose the correct word or phrase from the options given below to complete the following sentences:
The conversion of ethanol to ehane is an example of_________(dehydration, dehydrogenation)
Write a balanced chemical equation for the following:
Ethanol reacts with sodium at room temperature.
From the given list, name the homologue of the homologous series with the general formula CnH2n.
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
Rectified spirit is an aqueous solution that contains about ______ of ethanol.
Write the chemical equation for the following:
Oxidation of ethanol
An organic compound ‘A’ is widely used as a preservative and has the molecular formula C2H4O2. This compound reacts with ethanol to form a sweet-smelling compound ‘B’.
Write the chemical equation for its reaction with ethanol to form compound ‘B’.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
