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प्रश्न
............ is a functional group of the alcohol.
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उत्तर
–OH is a functional group of the alcohol.
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संबंधित प्रश्न
Give two properties of ethanol.
Give a balanced equation for the preparation of ethanol from monochloroethane and aq. sodium hydroxide.
Draw the structure for the following compound:
Propanal
Draw the structure for the following compound:
Butanal
What happens when (give chemical equation):
Sodium reacts with ethanol (ethyl alcohol).
What would you see, when ethyne is bubbled through a solution of bromine in carbon tetrachloride?
An organic compound 'P' is a constituent of wine. 'P' on reacting with acidified K2Cr2O7 forms another compound 'Q'. When a piece of sodium is added to 'Q' a gas 'R' evolves which burns with a pop sound. Identify P, Q and R and write the chemical equations of the reactions involved.
How is ethane prepared by Wurtz reaction?
Name a solid which can be used, instead of conc H2SO4 to prepare ethylene by dehydration of ethanol.
Find the odd one out and explain:
Write any two physical properties of Ethanol.
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.
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.
Ethanol reacts with sodium and forms two products. These are
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?
______ react with dil. HNO3 to evolve hydrogen gas.
What happens when ethanol is heated at 443K in the presence of conc. H2SO4? Write the role of conc. H2SO4 in this case.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balance chemical equation of the following reaction:
Combustion of ethanol.
