Simun Mishra posted an Question
October 14, 2020 • 21:05 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Bf3 and bcl3 mein backbonding kismein jada hota he ?

2 Answer(s) Answer Now
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    Priyanshu kumar

    In BCl3,the 3p orbitals on Cl are bigger than the 2p orbital on B, so orbital overlap is less efficient, and backbonding is less important. Backbonding in bf3 is 2p-2p which is more effective

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    Dinesh khalmaniya 1 Best Answer

    BF3 >BCl3

    images (15).jpeg
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    but sir back bonding tho cl mein achha hota he na

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    electron affinity of cl is more and electronegativity of f is more so

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    no, 2p-2p overlap is stronger

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    check above image where it is clearly explained why BF3 >BCl3

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    ok sir

  • Suman Kumar

    BCl3 me 2p - 3p hai which is little poor back bonding

  • Suman Kumar best-answer

    BF3 me

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    but sir Bcl3 mein e k lia place Hota he iska electron affinity more of cl and electronegativity of f greater

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    2p-2p & 2p-3p size matter in backbonding

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    yes

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    ok sir tq

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