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Hema Wadhwa
Asked: 2022-11-11T10:52:51+05:30 In:

Total no. of voids in `0.5` mole of a compound forming hexagonal closed packed structure are :
A. `6.022xx10^23`
B. `3.011xx10^23`
C. `9.033xx10^23`
D. `4.516xx10^23`

Total no. of voids in `0.5` mole of a compound forming hexagonal closed packed structure are :
A. `6.022xx10^23`
B. `3.011xx10^23`
C. `9.033xx10^23`
D. `4.516xx10^23`
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  1. Correct Answer – C
    In hexagonal close packed structure , there are 6 atoms per unit cell
    total number of voids = 6+12=18
    `therefore` total number of voids per atom = `18/6=3`
    `therefore` In 1 mole compound the total number of voids
    `=3xx6.022xx10^23`
    `therefore` In 0.5 mole compound , the total number of voids
    `=3xx0.5xx6.023xx10^23`
    `=9.034xx10^23`

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Habib D’Alia
Asked: 2022-11-08T05:00:46+05:30 In:

Total no. of voids in `0.5` mole of a compound forming hexagonal closed packed structure are :
A. `6.022xx10^(23)`
B. `3.011xx10^(23)`
C. `9.033xx10^(23)`
D. `4.516xx10^(23)`

Total no. of voids in `0.5` mole of a compound forming hexagonal closed packed structure are :
A. `6.022xx10^(23)`
B. `3.011xx10^(23)`
C. `9.033xx10^(23)`
D. `4.516xx10^(23)`
Parabola
Leave an answer

Leave an answer

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1 Answer

  1. Correct Answer – C
    No. of voids per molecule `=3`
    No. of voids in `0.5` mole molecules
    `=3xxN_(0)xx0.5`
    `=3xx6.022xx10^(23)xx0.5`
    `=9.033xx10^(23)`

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