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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StatePacking in lonic SolidsMedium2 minQB

ChemistryMediumsingle choice

The arrangement of $X^{-}$ ions around $A^{+}$ ion in solid AX is given in the figure (not drawn to scale). If the radius of $X^{-}$ is 250 pm , the radius of $A^{+}$ is

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Answer:

Solution:

The image shows an octahedral arrangement. For octahedral voids, $r_{A^{+}} / r_{X^{-}} = 0.414$ . So, $r_{A^{+}} = 0.414 \times 250 p m = 103.5 p m \approx 104 p m$ .

Stream:JEESubject:ChemistryTopic:Solid StateSubtopic:Packing in lonic Solids

⏱ 2mℹ️ Source: QB

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