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प्रश्न
Write the structural formulae of the following compound:
Ethane
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उत्तर
\[\begin{array}{cc}{\ce{H\phantom{...}H}}\\
|\phantom{....}|\\
{\ce{H - C - C - H}}\\
|\phantom{....}|\\
{\ce{H\phantom{...}H}}\end{array}\]
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संबंधित प्रश्न
Give a balanced equation for the preparation of ethanol from monochloroethane and aq. sodium hydroxide.
............ is a functional group of the alcohol.
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.
Give the harmful effects of drinking alcohol.
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.
One of the following substances is not added to make denatured alcohol. This is:
(a) methyl alcohol
(b) copper sulphate
(c) chloroform
(d) pyridine
State the method of preparation of ethanol by hydrolysis of ethene.
What is the effect of ethanol on the human body?
How is the spurious alcohol obtained?
Identify the functional group of the HCHO ?
What is meant by a functional group in carbon compounds?
Name a solid which can be used, instead of conc. H2SO4 to prepare ethylene by dehydration of ethanol.
Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol
From the compounds given above, name:
- The compound with –OH as a part of its structure.
- The compound with –COOH as a part of its structure.
- Homologue of homologous series with general formula CnH2n.
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’.
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:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
