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(1) para fluorobenzoic acid (2) para chlorobenzoic acid. Explain with reason. |
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Answer» para chlorobenzoic acid is stronger than para fluorobenzoic acid. Explanation: We know that Halogens exert both -I and +R effects. -I effect increases the acid strength while +R effect decreases the acid strength of a carboxylic acid. In the case of para fluorobenzoic acid, the +R effect dominates over the -I effect. Due to which para fluorobenzoic acid is weaker than para chlorobenzoic acid. |
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