Consider the following assumptions made while developing the ionic packing theory:1. Cations and anions are spherical but these spheres are not hard2. Cations are always smaller than anions3. Each cation would tend to be surrounded by the maximum number of anions permitted by the geometry4. Cations and anions do not touch each other Which of the above assumptions are correct?

Consider the following assumptions made while developing the ionic pac

1.	Consider the following assumptions made while developing the ionic packing theory:1. Cations and anions are spherical but these spheres are not hard2. Cations are always smaller than anions3. Each cation would tend to be surrounded by the maximum number of anions permitted by the geometry4. Cations and anions do not touch each other Which of the above assumptions are correct?
A.	1 and 3
B.	1 and 4
C.	2 and 4
D.	2 and 3
Answer» E.

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