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प्रश्न
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
पर्याय
Ethanol
Ethanoic
Ethyl ethanoate
Ethyl ethanol
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उत्तर
In the presence of acid catalyst, ethanoic acid reacts with ethanol and ethyl ethanoate ester is produced.
Explanation:
\[\ce{\underset{(Ethanoic acid)}{CH3-COOH} + \underset{(Ethanol)}{CH3-CH2-OH} ->[Acid][Catalyst] \underset{(Ethyl ethanoate)}{CH3-COO-CH2-CH3} + \underset{(Water)}{H2O}}\]
APPEARS IN
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.
For preparing soap in the laboratory we require an oil and a base. Which of the following combinations of an oil and a base would be best suited for the preparation of soap?
(a) Castor oil and calcium hydroxide
(b) Turpentine oil and sodium hydroxide
(c) Castor oil and sodium hydroxide
(d) Mustard oil and calcium hydroxide
Consider the following comments about saponification reactions:
I. Heat is evolved in these reactions.
II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.
III. Saponification reactions are a special kind of neutralisation reactions.
IV. Soaps are basic salts of long-chain fatty acids.
The correct comments are
(a) I, II and III
(b) II, III and IV
(c) I, II and IV
(d) Only I and IV
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
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
List two uses of esters.
Give the common names and IUPAC names of the following compounds of CH3COOH.
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.
Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2
The next higher homologue of ethanoic acid is ______.
A student is studying the properties of acetic acid. List two physical properties of acetic acid he observes. What happens when he adds a pinch of sodium hydrogen carbonate to this acid? Write any two observations.
Name the first four members of alphatic carboxylic acid.
Draw the structural formula for the following:
Ethanoic acid
Ethanoic acid _________.
Explain the following reaction with an example.
Saponification
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
