Question
Question: A Crystalline structure has radius ratio (\(r_{c^{+}}/r_{a -}\)) in the range of \(0.225 - 0.414\). ...
A Crystalline structure has radius ratio (rc+/ra−) in the range of 0.225−0.414. The coordination number and arrangement of anions around the cations are
A
3, plane triangular
B
6, octahedral
C
4, tetrahedral
D
8, cubic
Answer
4, tetrahedral