Structure of ionic compounds The bigger atom or ion will form the lattice and smaller atom/ion will occupy the voids generally the bigger ion is anion and smaller ion is cation in ionic compounds.The type of void occupied by the cation is decided by radius ratio. Find the correct set of combination for the compound whose cation has its nearest cationic neighbour at a distance of (asqrt2) where 'a' is the length of unit cell.

Structure of ionic compounds The bigger atom or ion will form the lat

1.	Structure of ionic compounds The bigger atom or ion will form the lattice and smaller atom/ion will occupy the voids generally the bigger ion is anion and smaller ion is cation in ionic compounds.The type of void occupied by the cation is decided by radius ratio. Find the correct set of combination for the compound whose cation has its nearest cationic neighbour at a distance of (asqrt2) where 'a' is the length of unit cell.
Answer» <P>(II)(i)(R) (IV)(ii)(S) (I)(iii)(P) NONE of these Solution :In NACL `NA^+` has nearest `Na^+` at a distance of a/2 `r_(Na^+)/r^(Cl^(-))=0.51`