Starting from the rock salt structure, the crystal structure type generated by the removal of all ions of one type is:
A
simple cubic
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B
body-centered cubic
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C
face-centered cubic
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D
end-centered cubic
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Solution
The correct option is D face-centered cubic
Starting from the rock salt structure, the crystal structure type generated by the removal of all ions of one type is face-centered cubic. In the rock salt (NaCl) structure, chloride ions have face-centered cubic arrangement and sodium ions occupies octahedral holes. When all the sodium ions are removed, we are left with face-centered cubic arrangement of chloride ions.