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Which of the following is the correct order of acidic strength of the following compounds?

(a) (i) > (ii) > (iii)

(b) (ii) > (iii) > (i)

(c) (i) > (iii) > (ii)

(d) (iii) > (ii) > (i)

1 Answer

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Best answer

Correct option (b) (ii) > (iii) > (i)

Explanation:

More the -I-effect, more will be the acidic character.

-NO2 group has more -I-effect than

-OCH3 group which also has + R-effect.

Thus, the order of acidic strength is

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