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Directive Influence of Substituents

Consider the ...

Question

Consider the following phenols

The decreasing order of acidic nature of the above phenols is :

III > IV > I > II

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III > IV > II > I

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II > I > IV > III

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I > IV > II > III

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Solution

The correct option is B III > IV > II > I

Presence of –R and –I effect increases acidity

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