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Explain the following behaviours: (i) ...

Explain the following behaviours:
(i) Alcohols are more soluble in water than the hydrocarbons of comparable molecular masses.
(ii) o-nitrophenol is more acidic than o-nitrophenol is more acidic than o-methoxyphenol.

Text Solution

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(i) Alcohols are more soluble in water than the hydrocarbons of comparable molecular masses because alcohols form hydrogen bonds with water.
(ii) The EWG like -`NO_(2)` increases the acidic strength of the phenoxide ion by dispersal of negative change, while EDG like -`OCH_(3)` decreases the acidic strength of phenol by destablising the phenoxide ion by concentrating neative change.
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