What is the co-ordination number of Cl^(-)in NaCl crystal ?

1.	What is the co-ordination number of Cl^(-)in NaCl crystal ?
Answer» 8 6 4 3 Solution :In NaCl, `CL^(-)`ions ADOPTS f.c.c.Lattice in which `NA^(+)`ions are present at all the octahedral SITES `therefore` Co-ordination NUMBEROF `Cl^(-)` `=Co-ordination number of `Na^(+)`=6

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