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AB is an ionic solid. The ionic radii of...

AB is an ionic solid. The ionic radii of `A^+`and `B^(-)` are respectively `r_c and r_a`. Lattice energy of AB is proportional to

A

`(r_(c))/(r_(a))`

B

`(r_(c)+r_(a))`

C

`(r_(a))/(r_(c))`

D

`(1)/(r_(c)+r_(a))`

Text Solution

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The correct Answer is:
D
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