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प्रश्न
Colorless ethanol is in liquid state at room temperature.
पर्याय
Right
Wrong
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उत्तर
Colorless ethanol is in liquid state at room temperature- Right
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संबंधित प्रश्न
Give the structural formula of ethanol.
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).
What is meant by a functional group? Explain with an example.
How would you convert of thanol into ethene?
What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved.
How is ethanol prepared by fermentation?
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)
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:
Converting ethanol to ethene requires the use of_________(Concentrated hydrochloric acid, concentrated nitric cid, concentrated sulphuric acid).
From the given list, name the homologue of the homologous series with the general formula CnH2n.
How would you convert ethene into ethane?
Choose the correct alternative and rewrite the following:
To observe the hydro and clearly, Raju should see it first under the low power lens and then under the high power lens in order to see _____________
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
Write the molecular formula of the given compound.
Sodium ethoxide
Write the characteristics of ethanol.
Dehydration of ethanol by conc. Sulphuric acid forms ______
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
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’.
Name the process.
Look at below figure and answer the following questions.
- What change would you observe in the calcium hydroxide solution taken in tube B?
- Write the reaction involved in test tubes A and B respectively.
- If ethanol is given instead of ethanoic acid, would you expect the same change?
- How can a solution of lime water be prepared in the laboratory?
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
