compound
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A solid is made of two elements X and Y. Atoms X are in fcc arrangement and Y atoms occupy
all the octahedral sites and alternate tetrahedral sites. What is the formula of compound?
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Answer:
XY2
Explanation:
no. of X =4
no. of Y =4+8/2
=8
X : Y = 4 : 8
=1 : 2
therefore,
formula of compound = XY2
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