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प्रश्न
Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?
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उत्तर
Carbon dioxide evolves when ethanoic acid is added to sodium carbonate.
2CH3COOH + Na2CO3 → 2CH3COONa + CO2 + H2O
When the gas evolved during this reaction, is passed through the lime water in a test tube, the latter turns milky. This indicates that the gas evolved is carbon dioxide.
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संबंधित प्रश्न
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
Complete the following chemical equations :CH3COOH+NaOH→
Fill in the blanks from the choices given within brackets:
The basicity of acetic acid is-------- (3, 1, 4).
Draw the structure for the following compound.
Ethanoic acid
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
Why is the conversion of ethanol into ethanoic acid an oxidation reaction?
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
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 will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
What do you notice when acetic acid reacts with metals?
If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
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
What is thr boilng point of acetic acid?
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
Give a chemical reaction in which a catalyst is used.
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
