In chromium (III) chloride CeCl(3) chlor...

In chromium (III) chloride `CeCl_(3)` chloride ions have cubic close packed arrangement and Cr (III) ions present in the octahedral voids. What fraction of the octahedral void is occupied ? What fraction of the total number of voids is occupied?

`1/3`

`1/6`

`1/9`

`1/12`

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