How many of the following ionic compounds have coordination number of either cation or anion equal to 6 or more : `ZnS, KCl, K_2O, CsBr, NaBr,CaF_2`
How many of the following ionic compounds have coordination number of either cation or anion equal to 6 or more :
`ZnS, KCl, K_2O, CsBr, NaBr,CaF_2`
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Correct Answer - 5
ZnS`to` Zinc bende structure, C.N. =4
`Kclto` Rock salt, CN=6
`K_2Oto` Antifluorite structure , CN of `K^+=4`
CsBr`to` CN=8
NaBr`to` Rock salt, CN=6
`CaF_2to`Fluoride structure, CN of `F^(-)=4CN` of `Ca^(2+)=8`
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