A compound is formed by two elements A and B. The element B forms cubic close packed structure and atoms of A occupy 1/3 of tetrahedral voids. If the formula of the compound is A?B?, then the value of x + y is in option
A compound is formed by two elements A and B. The element B forms cubic close packed structure and atoms of A occupy 1/3 of tetrahedral voids. If the formula of the compound is A?B?, then the value of x + y is in option
Option 1 -
2
Option 2 -
5
Option 3 -
4
Option 4 -
3
-
1 Answer
-
Correct Option - 2
Detailed Solution:Since, atom B forms CCP structure. Therefore, there will be 4-B atoms.
Now, atom A occupies 1/3 of tetrahedral voids.
Hence, number of A atoms = 1/3 × 8 = 8/3
The correct formula of the compound = A? /? B?
= A? B?
x + y = 2 + 3 = 5
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