The radius of ${\rm{A}}{{\rm{g}}^ + }$ ion is 126 pm while that of ${{\rm{I}}^ - }$ ion is 216 pm. The co-ordination number of ${\rm{Ag}}$ in ${\rm{AgI}}$ is :

JEE CHEMISTRY MCQ: SOLID STATE

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The radius of

\mathrm{A}{\mathrm{g}^ + }

ion is 126 pm while that of

{\mathrm{I}^ - }

ion is 216 pm. The co-ordination number of

\mathrm{Ag}

\mathrm{AgI}

is :

View answer and explanation

Correct option: C

Option C (6) is correct because the radius ratio falls within the range that corresponds to an octahedral coordination number of 6.

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