Question

A compound is formed by two elements A and B.Atoms of element B ( as anions) make ccp and those of element A (as Cations) occupies all the octahedral voids and half of the tetrahedral voids. What is the formula of the compound

Answer 1

Answer:

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Explanation:

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Since, atoms of Y forms CCP (cubic close packing) which is analogous to FCC (face centered cubic)

So, effective number of atoms of Y in lattice =4

Number of octahedral voids = Number of atoms forming CCP =4

So, effective number of atoms of X in the lattice =4

Now, X:Y⇒X:Y

4:4 1:1

So, the formula of the compound is XY

Answer 2

Answer:

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