Arrange the following compounds in the increasing order of the acidity of circled hydrogens (0) (1) (a)iii < ii

Arrange the following compounds in the increasing order of the acidity of circled hydrogens (0) (1) (A)III < II

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  Dinesh khalmaniya 1

  option D I and III are aromatic compounds but III has annelation effect so less Acidic than I. II is an Antiaromatic so overall order is I >III>II

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  Suman Kumar

  So option D is correct

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  got it

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  Priyanshu kumar Best Answer

  option D Ist is most acidic as after removal of circled H cyclopentadienyl anion is formed which is aromatic II is least acidic as after removal antiaromatic ring is formed

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