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  • In rock salt structure Cl- arrange in CCP manner and Na+ present in all octahedral voids, If radius of Na+ ion is 150 pm then radius of Cl- 

In rock salt structure Cl- arrange in CCP manner and Na+ present in all octahedral voids, If radius of Na+ ion is 150 pm then radius of Cl-  (in pm) is:

Option: 1

150


Option: 2

362


Option: 3

132


Option: 4

263


Answers (1)

best_answer

Octahedral Void formed by touching 6 spheres - 4 atoms in the same plane, 1 atom in the upper plane, and 1 in the lower plane. 

\mathrm{\frac{radius\: of\: octahedral\: void}{radius\: of\: atom}=0.414}

\mathrm{radius\: of\: atom=\frac{150}{0.414}=362.3\: pm}

 

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mansi

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