Advertisements
Advertisements
Question
State any two uses of esters.
Advertisements
Solution
Uses of esters:
(1) Esters are used in making artificial perfumes because of their sweet fragrance.
(2) Esters are used as flavouring agents in ice-creams, sweets and cold drinks.
APPEARS IN
RELATED QUESTIONS
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 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 is the common name of ethanoic acid?
Give the common name and IUPAC name of the following compound:
HCOOH
What is the common name of methanol?
Three organic compounds A, B and C have the following molecular formulae: C4H10O
Which compound contains a carboxyl group? Write its name and structural formula.
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved.
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
The next higher homologue of ethanoic acid is ______.
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
Write a balanced chemical equation for the following:
A mixture of sodalime and sodium acetate is heated.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
Give a chemical reaction in which a catalyst is used.
Write the characteristics of ethanoic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
