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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Chemistry (CY)
Which of the following compounds has the most acidic o-hydrogens? o c-chs a. (a) hc chs b.(b) o ch-0-Č-ch3 c.(c) o o ch-0-ë -ch3 c.(d) o h l hc-c-c c-ch
Which of the following compounds has the most acidic O-hydrogens? O C-CHs a. (A) HC CHs b.(B) O CH-0-Č-CH3 c.(c) O O CH-0-ë -CH3 c.(D) O H l HC-C-C C-CH
3 Answer(s)
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Suman Kumar
A has ketone as Eletron withdrawing group. B has ester as Eletron withdrawing group but Ketone is more eletron withdrawing
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Suman Kumar
Compound C & D are active methylene compound. They most acidic due to Eletron withdrawing on both side.
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Suman Kumar Best Answer
See this
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Suman Kumar
![best-answer]()
Option D will be the correct answer
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Dinesh khalmaniya 1
hope this will help you 🙏🙏
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Dinesh khalmaniya 1
negative charge is highly stabilized by two ketonic groups
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Dinesh khalmaniya 1
![best-answer]()
option D
![cropped1240244612668569973.jpg]()
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Shivaji khadake
hello student Acidity mainly will be identified on "pka" value of that proton. if pka value lesser then compound will more acidic in nature. so you have to compare pka value of all the compound. a) 20 b) 25 c) 11 d) 9 so now you can easily identify that the compound (d) has lesser pka value because that middle carbon having adjacent to two carbonyl group which increase the acidity of middle carbon. out of this all compounds acetylacetone having lesser pka value so that compounds Alpha proton will be acidic in nature compared to all.