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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:

  • Option 1)

    III > II > IV > I

  • Option 2)

    II > III > I > IV

  • Option 3)

    II > III > IV > I

  • Option 4)

    III > IV > II > I

 

Answers (1)

As we learnt in

Stability due to resonance -

More the no of resonating structure more is the stability.

- wherein

 

 

in(iii), there are three group which have both - I and -M effect hence it is most stabilized aftet donating H+.

Because of resonance it is more stable. 

 


Option 1)

III > II > IV > I

Correct

Option 2)

II > III > I > IV

Incorrect

Option 3)

II > III > IV > I

Incorrect

Option 4)

III > IV > II > I

Incorrect

Posted by

Vakul

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