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प्रश्न
What is vinegar?
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उत्तर
An aqueous solution (4 to 6%) of acetic acid is called vinegar.
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संबंधित प्रश्न
A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is :
(A) a clear transparent colourless solution
(B) a clear transparent pink solution
(C) a precipitate settling at the bottom of the test tube
(D) a layer of water the layer of acetic acid
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
Describe one reaction of a carboxylic acid.
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.
Consider the following organic compounds:
HCHO, C2H5OH, C2H6, CH3COOH, C2H5Cl
Choose two compounds which can react in the presence of conc. H2SO4 to form an ester. Give the name and formula of the ester formed.
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
Ketone : –CO– : : Ester : _______
Write the molecular formula of the given compound.
Ethanoic acid
What are catalysts?
Which of the following substance produces brisk effervescence with baking soda solution?
