Shristy posted an Question
August 09, 2020 • 14:22 pm 30 points
  • IIT JAM
  • Chemistry (CY)

A) inauu coordination number of "c in bec3 whose structure is correlated with that of caf2, is: (d) 8 (b) 4 (c) 6 (a) 2 11: a aubis ctuctura with (

a) INaUU Coordination number of "C in BeC3 whose structure is correlated with that of CaF2, is: (d) 8 (b) 4 (c) 6 (a) 2 11: a aubis ctuctura with (

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    Priyanshu kumar best-answer

    see shristy

    cropped6519974639703354065.jpg
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    its option D 8 CN

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    but sir in CaF2 the CN no. is 8:4

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    Ca2+ is surrounded by 8 F- atom so CN 8 in caf2

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    Thn sir Be2C3 me opposite arrangement hoga ??CaF2 se ??

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    shristy caf2 jaisa structure correlate kiya hai but no of atoms same nhi hai or na hi size of atoms

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    ok sir

  • Suman Kumar Best Answer

    See

    cropped7550964390792062838.jpg
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    but mam in CaF2 the CN no. is 8:4

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    In the fluorite structure the coordination number of Ca2+ ion is. Solution : In a fluorite structure (CaF2) every Ca2+ ion is surrounded by 8 fluoride ion trapped in tetrahedral voids. Thus the CN of Ca2+ ions is eight

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    Yes Shristy But Here C2- is larger ion so it will occupy lattice.

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    But in CaF2 calcium is larger ion so Ca²+ will occupy lattice

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    ok mam

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    Now you got this 🙏

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