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Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ?
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Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the dec...
Decreasing Order of Acidity of Ortho Fluoro Phenol, Meta Fluoro Phenol, and Para Fluoro Phenol
- Introduction: In this question, we have to determine the decreasing order of acidity of three compounds - ortho fluoro phenol, meta fluoro phenol, and para fluoro phenol.
- Explanation: The acidity of a compound depends on the stability of the conjugate base formed after losing a proton. A more stable conjugate base indicates a stronger acid. The stability of the conjugate base depends on the resonance and inductive effect of the substituents on the phenol ring.
- Ortho Fluoro Phenol: In ortho fluoro phenol, the fluoro group is present at the ortho position. The fluoro group is electron-withdrawing due to its high electronegativity, which destabilizes the phenoxide ion formed after losing a proton. Additionally, the ortho position is a meta-directing group, which means it destabilizes the negative charge on the oxygen atom in the phenoxide ion. Therefore, ortho fluoro phenol is the least acidic among the three compounds.
- Meta Fluoro Phenol: In meta fluoro phenol, the fluoro group is present at the meta position. The fluoro group is still electron-withdrawing, but it is far away from the oxygen atom in the phenoxide ion. Therefore, its destabilizing effect on the phenoxide ion is less than that of the ortho position. Moreover, the meta position is an ortho-para directing group, which means it stabilizes the negative charge on the oxygen atom in the phenoxide ion. Therefore, meta fluoro phenol is more acidic than ortho fluoro phenol but less acidic than para fluoro phenol.
- Para Fluoro Phenol: In para fluoro phenol, the fluoro group is present at the para position. The fluoro group is still electron-withdrawing, but it is in the opposite direction of the oxygen atom in the phenoxide ion. Therefore, it has a stabilizing effect on the phenoxide ion. Moreover, the para position is an ortho-para directing group, which means it also stabilizes the negative charge on the oxygen atom in the phenoxide ion. Therefore, para fluoro phenol is the most acidic among the three compounds.
Therefore, the decreasing order of acidity of ortho fluoro phenol, meta fluoro phenol, and para fluoro phenol is: ortho fluoro phenol < meta="" fluoro="" phenol="" />< para="" fluoro="" phenol.="" para="" fluoro="" />
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Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the dec...
Meta floro then para and then ortho floro phenol bcz phenol show +m effect and due to this at o and para position acidity slightly decreases and meta dominates
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Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ?
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Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ?.
Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Ortho fluoro phenol meta fluro phenol para fluoro phenol? give the decreasing order of acidity. ?.
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