Sourav posted an Question

August 26, 2020 • 20:52 pm 30 points

The increasing order of the acidity of the hydrogen marked in bold italics among the following is a) ili

The increasing order of the acidity of the hydrogen marked in bold italics among the following is a) IlI

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  Dinesh khalmaniya 1

  option D

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  I and III are aromatic while II is antiaromatic

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  more the aromatic rings, less is the aromaticity

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  this is known as annelation effect

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  so I is more aromatic i.e., more stable than III and II is least due to antiaromaticity

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  check this video for annelation effect https://youtu.be/4G51MOznJnU

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  got it?

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  got it?

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  Priyanshu kumar

  Ist one is most acidic

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  Option D is correct

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  II is least acidic

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  In 1st after deprotonation aromatic ring is formed

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  In 2nd after deprotonation anti aromatic ring is formed...so least stable

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  got it Sourav???

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  what happens on 3

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  Cyclopentadiene anion is most acidic

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  In 3rd annelation effect

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  It decreases aromaticity

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  https://youtu.be/I99WYLvF5Zo check this video

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  see this

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  Suman Kumar Best Answer

  option D is correct

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  Cyclopentadiene anion is most acidic

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  Annelation effect do you know Sourav

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  no sir

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  2nd one is Anti aromatic

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  Annelation effect is sharing of resonance

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  im confused btw 1 and 3

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  1 is most acidic

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  In 3rd there is sharing of resonance

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  https://youtu.be/wP8ftSUiLkw

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  See this video on annelation effect

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  Boddu rama krishna

  option c

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  D

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T