In the ionic compound,AB the ratio rA+ : rBâis 0.414 Indicate the correct statement of the following:

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Cations form close packing and anions exactly fit into the octahedral voids

Anions form close packing and cations occupy precisely half of the tetrahedral voids

Anions form close packing and cations occupy precisely all the octahedral voids

Anions form close packing and cations fit into the octahedral voids loosely

answer is C.

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Detailed Solution

Range of octahedral void is 0.414 - 0.732. Larger the size of anion lesser is the ratio and larger unit occupy corners and smaller unit occupy void

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