NEET UG CHEMISTRY MCQ: SOLID STATE

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In the calcium fluoride structure, the coordination number of the cation and anion are respectively

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Correct option: D

8,\mathrm{ }4

Option D (8, 4) is correct because in the

CaF_2

structure, each

Ca^{2+}

ion is surrounded by 8

F^-

ions, and each

F^-

ion is surrounded by 4

Ca^{2+}

ions.

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\mathrm{C}{\mathrm{s}^ + }

\mathrm{C}{\mathrm{I}^ - }

\;0.181\,\,nm

A

B

A

Y