Question:
Which of the following reaction is reversible?}
Which of the following reaction is reversible?}
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Fischer esterification is a classic reversible organic reaction.
Updated On: Apr 24, 2026
- Acid catalysed esterification of acetic acid with methanol
- Reaction between phenol and acid chloride in presence of pyridine
- Acid catalysed reaction between acetic anhydride and salicylic acid
- Dehydration of tertiary butyl alcohol with 20% H\(_3\)PO\(_4\) at 358 K
- Dehydration of ethanol with H\(_2\)SO\(_4\) at 443 K
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The Correct Option is A
Solution and Explanation
Acid-catalysed esterification of a carboxylic acid with an alcohol is a reversible reaction:
\[
\text{acid} + \text{alcohol} \rightleftharpoons \text{ester} + \text{water}
\]
This is Fischer esterification.
The other reactions listed proceed essentially in one direction under the given conditions.
Hence, the correct answer is: \[ \boxed{(A)} \]
Hence, the correct answer is: \[ \boxed{(A)} \]
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