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प्रश्न
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
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उत्तर
Esters are formed when carboxylic acid reacts with alcohol in the presence of concentrated sulphuric acid.
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संबंधित प्रश्न
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
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.
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.
Write the name and chemical formula of the simplest organic acid.
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
The organic acid present in vinegar is ______.
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
Give the structural formula of Acetic acid.
Name the first four members of alphatic carboxylic acid.
Why is pure acetic acid also known as glacial acetic acid?
The functional group present in acetic acid is ______.
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Ester is a sweet-smelling compound.
Vinegar is a solution of ______.
Draw the structural diagram of:
Ethanoic acid
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?
Shristi heated Ethanol with a compound A in presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide it gives back Ethanol and a compound C.
- Identify A and C
- Give one use each of compounds A and B.
- Write the chemical reactions involved and name the reactions.
