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प्रश्न
Write the important uses of acetic acid.
Give one use of acetic acid.
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उत्तर
Uses of acetic acid:
- As a solvent for gums, resin, cellulose atc
- As a laboratory reagent
- In medicines
- As a vinegar for table purpose and for manufacturing pickles
- For making rubber, rayon, plastic, varnishes atc.
- For the manufacture of dyes, perfumes, pigments.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?
(A) A white precipitate settling at its bottom
(B) A clear colourless solution
(C) A layer of water over the layer of acetic acid
(D) A layer of acetic acid over the layer of water
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
Give any two uses of ethanoic acid.
Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is a constituent of vinegar?(e) Which compound is a constituent of vinegar?
A student adds 4 mL of acetic acid to a test tube containing 4 mL of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes:
(A) a layer of water over the layer of acetic acid
(B) a layer of acetic acid over the layer of water
(C) a precipitate settling at the bottom of the test tube
(D) a clear colourless solution
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reaction.
Write the chemical equation for the following:
Saponification Reaction
