QJEEM19Ch0f04: JEE Main 2019 Chemistry - Class 12 JEEM19Ch0f04 Solution: Which dicarboxylic acid in presence of a dehydrating agent is…

Question

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Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride?

A https://ik.imagekit.io/novatra/photos/980865f744ae55fd2424fbcb7a47edaeebc37f70b40cb8c5aec7ed07607b4e5d.webp
B https://ik.imagekit.io/novatra/photos/3febc7c4d4dc5e316164b71e3d9c97b228e701d7a67ec766ca6bf80b56bf71d2.webp
C https://ik.imagekit.io/novatra/photos/c65307025399065c65c8a93b19db2bc70943c8f7683cacd43d3a8b69aa746917.webp
D https://ik.imagekit.io/novatra/photos/80c02e6cd5434ddab572e752f7244c01e877ea95bc187da7148740727f772f43.webp

Accepted Answer

Adipic acid CO₂H

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(CH₂)₄

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CO₂H

\mathrel{\mathop{\kern0pt\longrightarrow}\limits_{agent}^{dehydrating}}

7 membered cyclic anhydride (Very unstable)

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