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CsBr crystallises in a body centred cubi...

CsBr crystallises in a body centred cubic lattice. The unit cell length is 436.6 pm. Given that the atomic mass of Cs = 133 u and that of Br = 80 u and Avogadro number being `6.023xx10^(23)"mol"^(-1)`, the density of CsBr is

A

`42.5g//cm^(3)`

B

`0.425 g//cm^(3)`

C

`8.53g//cm^(3)`

D

`4.25g//cm^(3)`

Text Solution

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The correct Answer is:
D
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CsBr crystallises in a body - centred cubic lattice. The unit cell length is 436.6 p m . Given that : the atomic mass of Cs=133 and that of Br=80 am u and Avogadro's number being 6.02xx10^(23)mol^(-1) , the density of CsBr is :

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AAKASH INSTITUTE ENGLISH-THE SOLID STATE -Assignment (SECTION - C) (PREVIOUS YEARS QUESTION)
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  6. In a face centred cubic (fcc) lattice, a unit cell is shared equally b...

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  7. Ionic solids with Schottky defects contain in their structure

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  8. The number of atoms in 100 g of a bcc crystal lattice with density = 1...

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  9. An element with atomic mass 100 has a bcc structure and edge length 40...

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  10. If we mix a pentavalent impurity in the crystal lattice of germinium t...

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  12. Schottky defect in a crystal is observed when

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  19. A compound formed by elements A and B crystallizes in the cubic arrang...

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