The ionic radii of ${{\rm{A}}^{\rm{ + }}}\,{\rm{and}}\,{{\rm{B}}^{\rm{ - }}}$ ions are $0.98 \times {10^{ - 10}}m\,{\rm{and}}\,\,1.81 \times {10^{ - 10}}m.$ The coordination number of each ion in $AB$ is

NEET UG CHEMISTRY MCQ: SOLID STATE

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The ionic radii of

{\mathrm{A}^\mathrm{ + }}\,\mathrm{and}\,{\mathrm{B}^\mathrm{ - }}

ions are

0.98 \times {10^{ - 10}}m\,\mathrm{and}\,\,1.81 \times {10^{ - 10}}m.

The coordination number of each ion in

AB

View answer and explanation

Correct option: A

Option A is correct because the radius ratio (r+/r-) falls within the range for a coordination number of 6, which is typical for octahedral structures.

NEET UG CHEMISTRY MCQ: SOLID STATE

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