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प्रश्न
State any two uses of esters.
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उत्तर
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.
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संबंधित प्रश्न
Choose the correct alternative and rewrite the following:
Acetic acid ..................
What is the common name of methanoic acid.
Give the common name and IUPAC name of C2H5OH.
What is the common name of methanol?
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.
What is the physical state of CH3COOH?
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
Acetic acid is a typical acid. Write one equation in case of its reactions with a carbonate.
Name the functional group present in the following compound:
HCOOH
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
Name the following:
A toxic alcohol
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
Write a balanced equation for the following:
Write the equation for the preparation of ethylene from ethyl alcohol.
Draw the structural formula of a compound with two carbon atoms in the following case:
An alkane with a carbon to carbon single bond.
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
State how the following conversions can be carried out:
Ethyl chloride to Ethyl alcohol
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
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?
Anita added a drop each of diluted acetic acid and diluted hydrochloric acid on pH paper and compared the colors. Which of the following is the correct conclusion?
Write an equation showing saponification.
