Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these the order of decreasing acidic character will be

Question

Dr. Abubacker · Accepted Answer

[Solution from source] Picric acid (2,4,6-trinitrophenol, pKa ≈ 0.4) is the strongest because three –NO₂ groups stabilise the phenoxide; acetic acid (pKa ≈ 4.8) is next, then phenol (≈ 10), then cyclohexanol (≈ 16). Putting phenol above acetic acid is the common trap. Answer (2).

Q. Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these the order of decreasing acidic character will be

Explanation

Reviewed by Dr. Abubacker

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