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प्रश्न
What are hydrocarbons? Give one example.
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उत्तर
Organic compounds containing hydrogen along with carbon are known as hydrocarbons.
Example: Ethene, Methane
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संबंधित प्रश्न
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.
The next homologue of C2H5OH is ______.
Describe one reaction of ethanol.
Write name and formula of hydrocarbon containing a single bond (one example). Give one characteristic chemical property.
Which of the following can damage optic nerve leading to blindness, if taken internally?
(a) CH3COOH
(b) C2H5OH
(c) NaHCO3
(d) CH3OH
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is used to sterilise wounds and syringes?
What is the effect of ethanol on the human body?
Name the addition product formed between ethene and water.
How is methane gas prepared in laboratory?
Give two uses of:
Ethane
How does ethanol reacts with metallic sodium.
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 under high pressure and low temperature is treated with acidified potassium dichoromate.
How would you convert ethene into ethane?
Colorless ethanol is in liquid state at room temperature.
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’.
Ethene is formed when ethanol at 443 K is heated with excess of concentrated sulphuric acid. What is the role of sulphuric acid in this reaction? Write the balanced chemical equation of this reaction.
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.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
