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In a fcc arrangement of X and Y atoms, whose Y atoms are at the corners of the unit cell and X atoms are at the face centres. One of the X atoms is missing frm one of the faces in the unit cell. The simplest formula of the compound is :-

(a) X 5 Y2   (b)X2Y5   (c) XY3      (d) X3 Y

6 years ago


Answers : (2)


 I think it is X2Y5

6 years ago

initially total number of  X atoms =4

finally it will be3

answer is-- X3 Y

6 years ago

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