IIT JAM
Shristy Maurya Asked a Question
August 28, 2020 5:52 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

2. in valence-bond calculations, contributions of various resonance structures are used to calculate the total energy of a molecule. given below are four resona

2. In valence-bond calculations, contributions of various resonance structures are used to calculate the total energy of a molecule. Given below are four resonance structures of the cyanate ion. Which one contributes least to the total energy. (a) NEC-Oo (b) 2: N-CEO (c)N=C=Q (d) N-C-9
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  • Dinesh khalmaniya Best Answer
    option D
    Likes(1) Reply(8)
    Dinesh khalmaniya
    less the covalent bonds, less stable is the resonating structure
  • Priyanshu kumar thankyou
    Option C as the major resonance contributor has the lowest energy
    Likes(1) Reply(5)
    Shristy Maurya
    ans given is d
  • Boddu rama krishna
    option c.... charge stabilization..
    Likes(1) Reply(0)
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