Home
Class 11
CHEMISTRY
The vacant space in b.c.c unit cell is :...

The vacant space in b.c.c unit cell is :

A

0.32

B

0.1

C

0.23

D

0.46

Text Solution

Verified by Experts

The correct Answer is:
A
Packing efficiency `= (2 xx (4)/(3) pi R^(3))/(((4R)/(sqrt3))^(3)) = (sqrt3pi)/(8) = 68%` Vacent space `= 100 - 68
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    RESONANCE ENGLISH|Exercise Part-II National standard examination in chemistry|27 Videos

  • SOLID STATE

    RESONANCE ENGLISH|Exercise Part-III HLP|6 Videos

  • SOLID STATE

    RESONANCE ENGLISH|Exercise Exercise -3 (JEE -MAIN)|12 Videos

  • S BLOCK ELEMENTS

    RESONANCE ENGLISH|Exercise ORGANIC CHEMISTRY(Biomolecules & Polymer)|4 Videos

  • STRUCTURAL IDENTIFICATION & PRACTICAL ORGANIC CHEMISTRY

    RESONANCE ENGLISH|Exercise Section -B|18 Videos

Similar Questions

Explore conceptually related problems

The vacant space in FCC unit cell is

The vacant space in bcc lattice unit cell is

If atomic radius of barium is 2.176Å and it crystallises in b.c.c. unit cell, the edge length of unit cell is

Express the relation between atomic radius (r) and edge length (a) in b.c.c. unit cell.

The void space in a primitive unit cell is :

The space in which atoms are not present in unit cell is

The percentage of free space in a body centred cubic unit cell is

In a unit cell, atoms A, B, C and D are present at comers, face centres, body - centre and edge - centre respectively in a cubic unit cell. The total number of atoms present per unit cell is

Percentage of free space in cubic in a body- centred cubic unit cell is .

RESONANCE ENGLISH-SOLID STATE-APSP
  1. In a lattice of X and Y atoms, If X atoms are present at corners and Y...

    Text Solution

    |

  2. The vacant space in b.c.c unit cell is :

    Text Solution

    |

  3. When NaCl crystal is heated in sodium vapors, then it attains yellow c...

    Text Solution

    |

  4. 1 g of X has atoms arranged in cubic packing so as to give best packin...

    Text Solution

    |

  5. In 3D close packed structures, for every 100 atoms, it contains

    Text Solution

    |

  6. If x = radius of Na^(+) " & " y = radius of Cl^(-) & a is the unit ce...

    Text Solution

    |

  7. The co-ordination number of calcium fluoride (CaF(2)) type structure i...

    Text Solution

    |

  8. The lattice of CaF(2) is called fluorite structure. SrCl(2) has fluori...

    Text Solution

    |

  9. Which of the following unit cells is the most unsymmetrical ?

    Text Solution

    |

  10. Schottky defect occurs mainly in electrovalent compound where

    Text Solution

    |

  11. A ionic compound is expected to have tetrahedral structure if r(c)//r(...

    Text Solution

    |

  12. Malleability and ductility of metals can be accounted due to

    Text Solution

    |

  13. KCl crystallises in the same type of lattice as does NaCl. Given that ...

    Text Solution

    |

  14. A solid compound is formed containing x , y and z atoms in a cubic lat...

    Text Solution

    |

  15. An example of a face centred cubic lattice is

    Text Solution

    |

  16. Which of the following is NOT ferromagnetic ?

    Text Solution

    |

  17. In AgBr, there can occur

    Text Solution

    |

  18. In face centred cubic unit cell, edge length is

    Text Solution

    |

  19. In an antifluorite structure, cations occupy :

    Text Solution

    |

  20. The total number of tetrahedral voids in the face centred unit cell is

    Text Solution

    |