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Potassium fluoride has NaCl type structure what is the distance between

K+   and  F – ions if cell edge is a cm

a. 2a cm

b.  a/2 cm

c. 4a cm

d. a/ 4 cm

Ans. b

Explanation : Distance between K+   and  F –     = 1/2 x  length of the edge

 

 

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