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प्रश्न
List two uses of esters.
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उत्तर
Uses of Esters:-
- Used as a flavouring agent.
- Used in manufacturing perfumes.
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संबंधित प्रश्न
When you add a few drops of acetic acid to a test-tube containing sodium bicarbonate powder, which one of the following is your observation?
(A) No reaction takes place
(B) A colourless gas with pungent smell is released with brisk effervescence
(C) A brown coloured gas is released with brisk effervescence
(D) Formation of bubbles of a colourless and odourless gas
If you take a pinch of sodium hydrogen carbonate powder in a test-tube and add drop-by-drop acetic acid to it, what would you observe immediately? List any two main observations.
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
Draw the structure formula of ethyne.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Ketone : –CO– : : Ester : _______
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?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Ethanoic acid is also known as which of these?
Why is glacial acetic acid called so?
