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प्रश्न
Write any two physical properties of Ethanol.
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उत्तर
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संबंधित प्रश्न
Give other two names of ethanol.
Write the name and structural formula of the compound obtained when ethanol is heated at 443 K with excess of conc. H2SO4. Also write chemical equation for the reaction stating the role of conc. H2SO4 in it.
............ is a functional group of the alcohol.
What is the molecular formula and structure of the alcohol which can be thought to be derived from pentane?
Draw the structure for the following compound:
Butanal
Three organic compounds A, B and C have the following molecular formulae:
- C4H8O2
- CH10O
- С4H8O
- Which compound contains an alcohol group? Write its name and structural formula.
- Which compound contains a carboxyl group? Write its name and structural formula.
- Which molecular formula can represent an aldehyde as well as a ketone? Write the names and structural formulae of the aldehyde and ketone represented by this molecular formula.
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
How is ethane prepared by Wurtz reaction?
Write the equations of chlorination of ethane
How would you carry out the following conversion?
Bromoethane to ethanol.
Name a solid which can be used, instead of conc. H2SO4 to prepare ethylene by dehydration of ethanol.
What are the functional groups? Name any two compounds containing functional groups.
Colorless ethanol is in liquid state at room temperature.
Ethanol is also known as which of these?
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.
Name the compound formed when ethanol is heated at 443 K in the presence of conc. \[\ce{H2SO4}\] and draw its electron dot structure.
State the role of conc. \[\ce{H2SO4}\] in the reaction.
Draw electron dot structure of Ethanol.
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.
