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O ofe1 pdt 21. which one of the following will most readily be dehydrated in acidic condition? oh oh (a) (b) (c) d)
O OFe1 pdt 21. Which one of the following will most readily be dehydrated in acidic condition? OH OH (A) (B) (C) D)
2 Answer(s)
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Dinesh khalmaniya 1 Best Answer
option A Solution : The rate controlling step of the mechanism of dehydration is the formation of cabocation. Thus, more stable the carboncation, the faster the dehydration. In all the four cases, the resulting carbocation is destabilized by the −I effect of the carbonyl group. However, the carbocation derived form (3) is least destabilized as the +ve carbon has maximum distance from the carbonyl group. check this link for video solution https://doubtnut.com/question-answer-chemistry/which-one-of-the-following-compounds-will-be-most-readily-dehydrated-13168936
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Suman Kumar
option A
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Priyanshu kumar![best-answer]()
Aldols (β− hydroxy aldehydes or β− hydroxyketones) readily undergo dehydration to form α,β− unsaturated aldehydes or ketones. The alkene formed is stable due to conjugation. Option A is correct
https://doubtnut.com/question-answer-chemistry/which-one-of-the-following-compounds-will-be-most-readily-dehydrated-13168936 check this video solution
please ask aswin if any doubt