Advertisements
Advertisements
प्रश्न
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
पर्याय
Ethanol
Ethanoic
Ethyl ethanoate
Ethyl ethanol
Advertisements
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
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
What are esters ?
Choose the correct alternative and rewrite the following:
Acetic acid ..................
Draw the structure for the following compound:
Propanoic acid
Give the common name and IUPAC name of the following compound:
CH3COOН
Three organic compounds A, B and C have the following molecular formulae: C4H10O
Which compound contains a carboxyl group? Write its name and structural formula.
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.
Name the product formed and give the appropriate chemical equation for the following:
Sodium reacting with ethyl alcohol.
A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.
While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only
In an experiment to study the properties of acetic acid a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that:
(A) the acetic acid dissolves readily in water
(B) the solution becomes light orange
(C) water floats over the surface of acetic acid
(D) acetic acid floats over the surface of water
How will you carry out the following conversions?
Ethene to acetic acid
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Assertion (A): Esterification is a process in which a sweet-smelling substance is produced.
Reason (R): When esters react with sodium hydroxide an alcohol and sodium salt of carboxylic acid are obtained.
Ethanoic acid turns ______ litmus to ______
Draw the structural diagram of:
Ethanoic acid
