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प्रश्न
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
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उत्तर
5 to 8 percent ethanoic acid in water
Vinegar is a solution comprising 5 to 8 percent ethanoic acid mixed with water.
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संबंधित प्रश्न
A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation foe the reaction.
Complete the following chemical equations: C2H5OH+O2→
Complete the following chemical equations: CH3COOH+NaHCO3→
What is an oxidising agent?
When ethanoic acid reacts with sodium hydrogen carbonate, then a salt X is formed and a gas Y is evolved. Name the salt X and gas. Y Describe an activity with the help of a labelled diagram of the apparatus used to prove that the evolved gas is the one which you have named. Also write the chemical equation of the reaction involved.
The structural formula of an ester is :
Write the formula of the acid and the alcohol from which it is formed.
An organic acid X is a liquid, which often freezes during winter time in cold countries, having the molecular formula C2H4O2. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound Y with a sweet smell is formed.
(a) Identify X and Y. Also write their formulae showing the functional group present in them.
(b) Write a chemical equation for the reaction involved.
Name the product formed and give the appropriate chemical equation for the following:
Sodium reacting with ethyl alcohol.
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
What is glacial acetic acid?
What do you notice when acetic acid reacts with alkalies?
What do you observe when acetic acid is added to a neutral FeCl3 solution?
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 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Explain the following reaction with an example.
Saponification
Draw the structural diagram of:
Ethanoic acid
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Write a chemical equation for the reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
