IIT JAM
Sandhya b Asked a Question
November 7, 2020 11:33 ampts 30 pts
  • IIT JAM
  • Chemistry (CY)

Q. which will be least stable rs. (a) ch,= ch-ch-ch-o ch, (b) ch-ch-ch= ch-o ch (c) ch-ch=ch-ch=och (d) ch, = ch-ch-ch=o ch, sol. (a) ch, ch-ch-ch-o ch,

Q. Which will be least stable RS. (A) CH,= CH-CH-CH-O CH, (B) CH-CH-CH= CH-O CH (C) CH-CH=CH-CH=OCH (D) CH, = CH-CH-CH=O CH, Sol. (A) CH, CH-CH-CH-o CH3.How to determine stability in the above question?
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  • Suman Kumar
    option A is correct due lone pair - anion repulsion
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    Suman Kumar
    did you get this
  • Sandhya b
    yes thank you😁
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  • Priyanshu kumar thankyou
    option A Explanation:- Due to repulsion arises between negative charge on carbon and lone pair on oxygen of the -OCh3 group
    • cropped6173231502105821792.jpg
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    Priyanshu kumar
    got this?
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