If the coordination number cation in an ionic acid is 4, what type of void is occupied by cation? Write the mathematical expression for the first law of thermodynamics in isobaric process. One mole of an ideal gas is compressed from 500 cm' against a constant pressure of 1.216 * 105 pa.
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If the co-ordination number of cation in ionic acid is 4 tetrahedral type of void is occupied by cation.
- The voids are the unoccupied spaces available in the crystal lattice.
- There are different kinds of voids.
- A tetrahedral void is surrounded by four spheres, hence, its coordination number is 4.
- An octahedral void is surrounded by six spheres and has a coordination number equal to six.
Thus, if a cation occupies a void having a coordination number of 4, it is a tetrahedral void.
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