Home
Class 12
CHEMISTRY
The cordination number of a metal crysta...

The cordination number of a metal crystallising in a hexagonal close-packed structure is:

A

12

B

4

C

8

D

6

Text Solution

Verified by Experts

In 3D HCP CN = 12 for identical spheres.
Promotional Banner

Topper's Solved these Questions

  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise JEE Advance ( Archive )|27 Videos
  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise FUNDAMENTAL|50 Videos
  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise LEVEL-2 (Numerical Value Type for JEE Main )|15 Videos
  • SURFACE CHEMISTRY

    VMC MODULES ENGLISH|Exercise PRACTICE EXERCISE|9 Videos
  • THEORY OF SOLUTIONS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|31 Videos

Similar Questions

Explore conceptually related problems

What is the co-ordination number of each sphere in (i) Hexagonal close packed structure. (ii) Cubic close packed structure. (iii) Body centred cubic packed structure.

(a) What is the C.N. of Cr atom in bcc structure ? (b) Cobalt metal crystallises in a hexagonal closest packed structure. What is the C.N. of cobalt atom? (c) Describe the crystal structure of Pt, which crystallises with four equivalent atoms in a cubic unit cell

In a multi layered close-packed structure

The number of atoms present in a hexagonal close-packed unit cell is:

The number of atoms present in a hexagonal close-packed unit cell is:

What is meant by the term "coordination number"? b. What is the coordination number of atoms: i. in a cubic closed-packed structure? ii. In a body-centred cubic structure?

The number of octahedral voids in a unit cell of a cubical closest packed structure is:

What is the co-ordination number of each sphere in cubic close packing and hexagonal close packing ?

What is the two-dimensional coordination number of a molecule in square close-packed layer?

What is the two-dimensional coordination number of a molecule in square close-packed layer?

VMC MODULES ENGLISH-THE SOLID STATE-JEE Main (Archive )
  1. CsBr has bcc stucture with edge length 4.3 A .The shortest interionic ...

    Text Solution

    |

  2. The cordination number of a metal crystallising in a hexagonal close-p...

    Text Solution

    |

  3. In a solid AB having the NaCl structure, A atom occupies the corners o...

    Text Solution

    |

  4. Na and Mg crystallize in bcc- and fcc-type crystals, respectively, the...

    Text Solution

    |

  5. Graphite is a soft solid lubricant extremely difficult to melt. The re...

    Text Solution

    |

  6. How many unit cell are present in a cubic-shaped ideal crystal of NaCl...

    Text Solution

    |

  7. What type of crystal defects is indicated in the diagram given below ?...

    Text Solution

    |

  8. In orthorhombic , the value of a, b and c are respectively 4.2Å, 8.6 Å...

    Text Solution

    |

  9. A substance A(x)B(y) crystallises in a face centred cubic (fcc) latti...

    Text Solution

    |

  10. Total volume of atoms present in a fcc unit cell of a metal with radiu...

    Text Solution

    |

  11. Potassium crystallizes in bcc lattice, hence the coordination number o...

    Text Solution

    |

  12. In a compound the atoms of element 'Y' forms ccp lattice and those of ...

    Text Solution

    |

  13. Copper crystallises in fcc with a unit cell length of 361 pm. What is ...

    Text Solution

    |

  14. Percentage of free space in cubic close packed structure and in body c...

    Text Solution

    |

  15. The edge length of a face-centred cubic unit cell is 508 p m. If the r...

    Text Solution

    |

  16. In a face centred cubic lattice, atom A occupies the corner positions ...

    Text Solution

    |

  17. Lithium forms body centred cubic structure. The length of the side of ...

    Text Solution

    |

  18. Experimentally it was found that a metal oxide has formula M(0.98)O. M...

    Text Solution

    |

  19. Which of the following exists as covalent crystals in the solid state?

    Text Solution

    |

  20. A metal crystallises in a face centred cubic structure. If the edge le...

    Text Solution

    |