Potassium fluoride (KF) has an NaCl type stru | vedclass

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(B) In an $NaCl$ type structure,the ions are located at the corners and face centers of the unit cell.For an $NaCl$ type crystal,the distance between

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$a/2 \ cm$

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(B) In an $NaCl$ type structure,the ions are located at the corners and face centers of the unit cell.For an $NaCl$ type crystal,the distance between the cation $(K^{+})$ and the anion $(F^{-})$ along the edge of the unit cell is given by $d = \frac{a}{2}$,where $a$ is the edge length of the unit cell.Therefore,the distance between $K^{+}$ and $F^{-}$ ions is $\frac{a}{2} \ cm$.

Potassium fluoride $(KF)$ has an $NaCl$ type structure. What is the distance between $K^{+}$ and $F^{-}$ ions if the unit cell edge length is $a \ cm$?

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