8.the increasing order of the acidity of the hydrogen marked in bold italics among the following is h h h h h h i ii iii (b) i

8.The increasing order of the acidity of the hydrogen marked in bold italics among the following is H H H H H H I II III (b) I

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  .niraj . varma.

  thanks bro

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  Paramjeet verma

  Option (d) Cyclopentadiene is the most acidic among these as it would be aromatic after losing a proton. 2nd would be anti-aromatic so least acidic. And third is also aromatic but due to annelation effect (sharing of resonance) it is less acidic than the 1st one. (more the number of aromatic rings in an aromatic system lesser is its aromaticity and acidity.)

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