For $AX$ ionic crystal to exist in bcc structure, the ratio of radii $\left( {\frac{{{r_{{\rm{cation}}}}}}{{{r_{{\rm{anions}}}}}}} \right)$ should be

NEET UG CHEMISTRY MCQ: SOLID STATE

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For

AX

ionic crystal to exist in bcc structure, the ratio of radii

\left( {\frac{{{r_{\mathrm{cation}}}}}{{{r_{\mathrm{anions}}}}}} \right)

should be

View answer and explanation

Correct option: B

Greater then 0.73

Option B (Greater then 0.73) is correct because for an AX ionic crystal to exist in a bcc structure, the radius ratio must be greater than 0.73.