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Suggest reasons why the B-F bond …

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Suggest reasons why the B-F bond lengths in BF3 and BF4- differ

    • Posted by Sahil Singh 6 years, 9 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Isha Chandra 6 years, 9 months ago

    Due to back bonding

    0Thank You

    Debasis Choudhury 6 years, 9 months ago

    BF3 ->. Trigonal planar( b.a. -120°) BF4– -> tetrahedral (b.a.-109.5°) Due to reduce in bond angle , bond pair Repulsion increase so, bond length is less in BF4–.

    2Thank You

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