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प्रश्न
The reaction between acetic acid and sodium carbonate is shown in the following figure.
Answer the questions with the help of a diagram.
- Which gas does come out as effervescence in the big test tube?
- What is the colour change in the lime water present in the small test tube?
- Write the related reaction.
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उत्तर
- Carbon dioxide gas.
- Lime water turns milky.
- \[\ce{2CH3COOH (aq) + Na2CO3 (g) -> CH3COONa (aq) + H2O (l) + CO2 (g)}\]
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संबंधित प्रश्न
While studying saponification reaction for the preparation of soap, a teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to
(A) reduce the alkalinity of the soap
(B) reduce the acidity of the soap
(C) enhance the cleansing capacity of soap
(D) favour precipitation of soap
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
How would you convert:
Propanol into propanoic acid.
Name the process in the given case and write the equations of the reactions involved.
What do you notice when acetic acid reacts with metals?
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.
Name the functional group present in the following compound:
HCOOH
A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid over it. He observes:
(A) no reaction in the test tube
(B) colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) white fumes with smell of vinegar
What is the action of acetic acid with litmus paper?
Why is pure acetic acid also known as glacial acetic acid?
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
Draw the structure formula of ethyne.
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
When sodium hydrogen carbonate is added to ethanoic acid, a gas evolves. Consider the following statements about the gas evolved.
- It turns lime water milky.
- It is evolved with brisk effervescence.
- It has a smell of burning sulfur.
- It is also a by-product of respiration.
Give a chemical reaction in which a catalyst is used.
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Observe the diagram given below and answer the questions:
- Name the reactants in this reaction.
- Which gas comes out as effervescence in the bigger test tube?
- What is the colour change in the lime water?
- In the above experiment instead of sodium carbonate which chemical can be used to get same products?
- Write the use of acetic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
