A crystalline solid AB has rock salt type of structure. If all the atoms along a threefold axis ( C 3 axis) are removed, what is the formula of the compound?

Question

A crystalline solid AB has rock salt type of structure. If all the atoms along a threefold axis ( C 3 ​ axis) are removed, what is the formula of the compound?

TestHub · Accepted Answer

C 3 ​ axis is body diagonal axis. So, if ' A ' is assumed to present in O . Vs and ' B ' in FCC arrangement, then removing all atoms along C 3 ​ axis A 4 − 1 ​ B 4 − 4 1 ​ ​ = A 4 ​ B 5 ​

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