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प्रश्न
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.
पर्याय
Both A and R are true and R is the correct explanation of the Assertion.
Both A and R are true but R is not the correct explanation of the Assertion.
A is true but R is false.
A is false but R is true.
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उत्तर
Both A and R are true but R is not the correct explanation of the Assertion.
Explanation:
Esterification is a process in which ethanoic acid reacts with absolute ethanol in the presence of an acid catalyst to give sweet-smelling substance called esters.
\[\ce{CH3COOH + CH3CH2OH->[acid] CH3COOCH2 CH3 + H2O}\]
In this question, both the assertion and reason are correct but, the reason is not the correct explanation of the assertion.
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
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
What is the common name of methanol?
Describe one reaction of a carboxylic acid.
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
Why is glacial acetic acid called so?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
