JEE MAIN - Chemistry (2019 - 10th January Morning Slot - No. 7)

Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride?
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 196 English Option 1
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 196 English Option 2
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 196 English Option 3
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 196 English Option 4

Explanation

Adipic acid CO2H $$-$$ (CH2)4 $$-$$ CO2H     $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{agent}^{dehydrating}} $$
7 membered cyclic anhydride (Very unstable)

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