How carboxylic acid group attached to benzene ring affects its reactivity?
Correct answer: C. Makes meta position of benzene more reactive than others
- A. Make it reactive
- B. Makes ortho position of benzene more reactive than others
- C. Makes meta position of benzene more reactive than others
- D. Makes para position of benzene more reactive than others
Explanation
Option C is correct. The carboxylic acid group is an electron-withdrawing group due to the electronegativity of the oxygen atom. As a result, it withdraws electron density from the benzene ring. This electron withdrawal increases the reactivity of the meta positions, making them more reactive toward electrophilic aromatic substitution reactions compared to the other positions.
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About Chemistry of Hydrocarbons
Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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