For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be

For an ionic crystal of the general formula AX and coordination numb

1.	For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be
A.	In between 0.732 and 0.414
B.	In between 0.414 and 0.225
C.	Less than 0.225
D.	Greater than 0.732
Answer» B. In between 0.414 and 0.225