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  • How to solve this problem- A compound formed by elements A and B has cubic structure in which atom A are at the corners of the cube and atom B are at face centres . The formula of compound will be

A compound formed by elements A and B has cubic structure in which atom A are at the corners of the cube and atom B are at face centres . The formula of compound will be

  • Option 1)

    AB4

  • Option 2)

    AB3

  • Option 3)

    AB

  • Option 4)

    A2B3

 

Answers (1)

Number\, of\, atoms\, A=8\times \frac{1}{8}=1

Number\, of\, atoms\, B=6\times \frac{1}{2}=3

Hence formula of compound is AB3

 

Centered unit cell -

In centered unit cell, constituent particles are present in position other than corners in addition to corners.

- wherein

Three types: face centered, body centered, end centered.

 

 


Option 1)

AB4

This is incorrect

Option 2)

AB3

This is correct

Option 3)

AB

This is incorrect

Option 4)

A2B3

This is incorrect

Posted by

Vakul

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