Advertisements
Advertisements
प्रश्न
Define glacial acetic acid?
Advertisements
उत्तर
Pure acetic acid is called Glacial acetic acid because it forms an ice-like solid when cooled.
APPEARS IN
संबंधित प्रश्न
While studying saponification reaction, a student measures the temperature of the reaction mixture and also finds its nature using blue/red litmus paper. On the basis of his observations the correct conclusion would be
(A) the reaction is exothermic and the reaction mixture is acidic.
(B) the reaction is endothermic and the reaction mixture is acidic.
(C) the reaction is endothermic and the reaction mixture is basic.
(D) the reaction is exothermic and the reaction mixture is basic.
When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a substance with fruity smell is produced. Answer the following:-
(i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed.
(ii) State the role of conc. H2SO4 in the reaction.
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
Why is Soda lime used not only NaOH?
Write the important uses of acetic acid.
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
The functional group present in acetic acid is ______.
Write the answers to the questions by observing the following figure.
- Write the chemical reaction shown in the figure above in the form of a balanced equation.
- Write the name of the gas coming out of the large test tube in the above chemical reaction.
- Why do small bubbles appear in the small test tube?
- What is the change in colour of lime water?
Reshu by mistake forgot to label the two test tubes containing Ethanol and Ethanoic acid. Suggest an experiment to identify the substances correctly? Illustrate the reactions with the help of chemical equations.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
