Year: 2016
Topic: Chemistry-Out Of Syllabus
Time :
1.
The ionic radii of A
+
and B
-
ions are 0.98 × 10
-10
m and 1.81 × 10
-10
m . The coordination number of each ion in AB is
(1). 4
(2). 8
(3). 2
(4). 6