Solid State Class 12th Chemistry Ncert Solutions Chemistry Class 12th

Ionic radii of cation A⁺ and anion B^- are 102 and 181 pm respectively. These ions are allowed to crystallize into an ionic solid. This crystal has cubic close packing for B^-. A⁺ is present in all octahedral voids. The edge length of the unit cell of the crystal AB is________ pm.

(Nearest integer)

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Payal Gupta | Contributor-Level 10

6 months ago

$d = \frac{Z M}{N_{A} a^{3}} = \frac{4 * 58.5}{6.02 * 1 0^{23} * a^{3}}$

$43.1 = \frac{4 * 58.5}{6.02 * 1 0^{23} * a^{3}}$

$∴ a = 2.08 * 1 0^{- 8} c m$

$∴ r_{N a^{+}} + r_{C l^{-}} = 1.04 * 1 0^{- 10}$ m

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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