Solid StateMedium
Question
An ionic solid of XY type having anions in CCP lattice and cations in the octahedral voids.Let a be the edge length of an FCC cube.The radius ratio of cation(R+) to that of anion(R-)is greater than 0.415.Then which of the following is false:
Options
A.R+ =
B.R+ + R- = 
C.Anions will not be in contact with each other.
D.Cations will not be in contact with each other.
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