Advertisements
Advertisements
Question
With a labelled diagram describe an activity to show the formation of an ester.
Solution
1 mL of ethanol and 1 mL of glacial acetic acid are taken in a test tube. 3-4 drops of concentrated sulphuric acid are then added to a test tube. The resulting mixture in a water bath is then heated (as shown in the figure) for 5 minutes. After this, the contents are poured in a beaker containing 20 mL water. A sweet-smelling compound (ethyl ethanoalte) will be obtained as the product.
Formation of ester
When ethanoic acid reacts with ethanol in the presence of an acid, ethyl ethanoate is formed. Ethyl ethanoate is an ester and has a sweet smell.
APPEARS IN
RELATED QUESTIONS
The compound formed when ethene reacts with Hydrogen is ________. (CH4, C2H6, C3H8)
Write a balanced chemical equation for Burning of ethane in the plentiful supply of air.
Draw the structures for the following compounds:
Butanal
How is the methylated spirit obtained?
Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence.
The conversion of ethanol into ethene is an example of ______. (dehydration, dehydrogenation).
Colorless ethanol is in liquid state at room temperature.
Complete the following activity.
| Boiling point of ethanol | → | |
| General name of ethanol | → | |
| Use of ethanol | → | |
| Boiling point of ethanoic acid | → | |
| Melting point of pure ethanoic acid | → |
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’.
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.
Give the balanced chemical equation of the reaction:
Combustion of ethanol.
