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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
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
Write the name and chemical formula of the simplest organic acid.
Write the formulae of methanoic acid.
What is the physical state of CH3COOH?
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
Give the structural formulae of acetic acid.
What do you notice when acetic acid reacts with alcohol?
Name the reducing agent used to convert acetic acid into ethanol.
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.
What type of compound is formed by the reaction between acetic acid and an alcohol?
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
Give reason for the following :
Ethyne is more reactive than ethane
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Explain the following reaction with an example.
Saponification
Ethanoic acid turns ______ litmus to ______
Which of the following substance produces brisk effervescence with baking soda solution?
Bubbles are seen in the test tube during the preparation 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?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
