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The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to
  • a)
    σ → p (empty) and σ → π* electron delocalisations
  • b)
    σ → σ* and σ → π electron delocalisations
  • c)
    σ → p (filled) and σ → π electron delocalisations
  • d)
    p (filled) → σ* and σ → π* electron delocalisations
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The hyperconjugative stabilities of tert-butyl cation and 2-butene, re...
In tert butyl cation, carbon bearing positive charge has one vacant p-orbital hence it is σ–p (empty) conjugation or hyperconjugation.
In 2-butene, hyperconjugation is between σ→π* bond.
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Most Upvoted Answer
The hyperconjugative stabilities of tert-butyl cation and 2-butene, re...
A) The presence of nearby pi bonds or lone pairs of electrons that can overlap with the empty p orbital on the cation or the p orbital of the double bond. This leads to delocalization of electron density and increased stability.
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The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due toa)σ → p (empty) and σ → π* electron delocalisationsb)σ → σ* and σ → π electron delocalisationsc)σ → p (filled) and σ → π electron delocalisationsd)p (filled) → σ* and σ → π* electron delocalisationsCorrect answer is option 'A'. Can you explain this answer?
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The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due toa)σ → p (empty) and σ → π* electron delocalisationsb)σ → σ* and σ → π electron delocalisationsc)σ → p (filled) and σ → π electron delocalisationsd)p (filled) → σ* and σ → π* electron delocalisationsCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due toa)σ → p (empty) and σ → π* electron delocalisationsb)σ → σ* and σ → π electron delocalisationsc)σ → p (filled) and σ → π electron delocalisationsd)p (filled) → σ* and σ → π* electron delocalisationsCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due toa)σ → p (empty) and σ → π* electron delocalisationsb)σ → σ* and σ → π electron delocalisationsc)σ → p (filled) and σ → π electron delocalisationsd)p (filled) → σ* and σ → π* electron delocalisationsCorrect answer is option 'A'. Can you explain this answer?.
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