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Which one of the following is most acidic ?A. `Cl-CH_(2)-CH_(2)OH` |
Answer» Correct Answer - B Ortho-nitrophenol is most acidic because in it, `-NO_(2)` (electron attracting group) is attached at ortho-position which helps in stabilising the negative charge on the oxygen of phenoxide ion. Hence, due to this reason, acidic character of phenol is increased, while on attachment of `-CH_(3)` group (electron donating group ) acidic strength of phenol is decreased in cresol due to the destabilisation of phenoxide in. |
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