In fluorite structure, co-ordination number of calcium ions is :

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

8

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $8$
In fluorite structure cation ( $C a^{2 +}$ ) forms FCC lattice. Coordination no. of the cation is 8 ant that of anion is 4 because anion occupies the tetrahedral voids.
Option C is correct.

Suggest Corrections

Similar questions

(C a^{2 +})

(F^{-})

In calcium fluoride, having the fluorite structure the coordination numbers for the calcium ion $C a^{2 +}$ and fluoride ion $(F^{-})$ are

(C a^{2 +})

(F^{-})

List -I	List II
(I) Co-ordination number of $C a^{2 +} and F^{-}$ in fluorite structure	(P) 8, 4
(II) Co-ordination number of $Z n^{2 +} and S^{2 -}$ in zinc blende structure	(Q) 8, 8
(III) Co-ordination number of $C s^{+} and C l^{-}$ in $C s C l$ (bcc type) structure	(R) 4, 8
(IV) Co-ordination number of $L i^{+} and O^{2 -}$ in antifluorite structure	(S) 4, 4

List-I	List-II
(I) Co-ordination number of $C a^{2 +} and F^{-}$ in fluorite structure	(P) 8, 4
(II) Co-ordination number of $Z n^{2 +} and S^{2 -}$ in zinc blende structure	(Q) 8, 8
(III) Co-ordination number of $C s^{+} and C l^{-}$ in CsCl (bcc type) structure	(R) 4, 8
(IV) Co-ordination number of $L i^{+} and O^{2 -}$ in antifluorite structure	(S) 4, 4

Join BYJU'S Learning Program