Home
Class 12
CHEMISTRY
If the radius of K^(+) and F^(-) are 133...

If the radius of `K^(+)` and `F^(-)` are 133 pm and 136 pm respectively, the distance between `K^(+)` and `F^(-)` in KF is......... pm 

A

269

B

134.5

C

136

D

3

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|22 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -4|45 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -1|94 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise COMPLEX COMPOUNDS|47 Videos
  • SOLIDS STATE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|63 Videos

Similar Questions

Explore conceptually related problems

In a compound AB, the ionic radii of A^(+) and B^(-) are 88 pm and 200 pm respectively. Write the coordination number of A^(+) .

In a compound XY, the ionic radii of X^(+) and Y^(-) are 88 pm and 200 pm respectively. Write the coordination number of X^(+)

Atomic radius (pm) of Al, Si, N and F respectively is

In an ionic compound A+X', the radii of A^(+) and X ions are 1.0 pm and 2.0 pm respecti­vely. The volume of the unit cell of the crystal AX will be

The ionic radii of Na^(+), K^(+) and Rb^(+) are 97, 133 and 147 pm, respectively. Which of these ions will fit into the octachedral holes? (radius of C_(60)^(3-) is about 350 pm)

The atomic radius of F, Br, and I are 64, 114, and 138 pm respectively. From this information (and not your book) estimate a reasonable atomic radius of Cl.

The radius of Na^(+) is 95 pm and that of CI^(-) ion is 181 pm. Hence the co-ordination number of Na^(+) will be

The bond length (pm) of F_2, H_2, Cl_2 and I_2, respectively is

Be forms Be^(2+) and Al^(3+) forms Al^(3+) . If the radii of Be^(2+) and Al^(3+) are respectively 31 and 53.5pm, show that their polarisation abilities are same.

AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -2
  1. In modern periodic table, the position of the element with atomic numb...

    Text Solution

    |

  2. In a hexagonal closest packing in two layers one above the other, the ...

    Text Solution

    |

  3. If the radius of K^(+) and F^(-) are 133 pm and 136 pm respectively, t...

    Text Solution

    |

  4. A metal has bcc structure and the edge length of its unit cell is 3.04...

    Text Solution

    |

  5. In a metal oxide, oxide ions are arranged in hep array and the metal i...

    Text Solution

    |

  6. The density of chromium is 7.2 gm cm^(3) and crystallises in a body - ...

    Text Solution

    |

  7. Solid AB has the NaCZ structure. Atom A occupy the corners of the cubi...

    Text Solution

    |

  8. In a solid AB having the NaCZ structure. ‘A’ atoms occupy the corners ...

    Text Solution

    |

  9. A Binary solid has rocksalt structure The edge length is 400 pm and th...

    Text Solution

    |

  10. In a crystalline solid, anions B are arranged in ccp lattice and catio...

    Text Solution

    |

  11. The percentage of void space of a metallic element crystallising in a ...

    Text Solution

    |

  12. A compound contains elements X and Y. Y atoms form CCP lattice and ato...

    Text Solution

    |

  13. In a Face centered Cubic lattice, the packing fraction is

    Text Solution

    |

  14. In a face centred cubic arrangement of A and B atoms whose A atoms are...

    Text Solution

    |

  15. The number of atoms in HCP unit cell is

    Text Solution

    |

  16. Edge length of a cube is 300 pm. Its body diagonal would be

    Text Solution

    |

  17. The formula of an oxide of iron is Fe(0.93)O(1.00).  If the compound h...

    Text Solution

    |

  18. If one mole of AgCZ is dopped with 10^(-5) mole of CaCl(2) then number...

    Text Solution

    |

  19. If one mole of AgCl is dopped with 10^(-5) mole of AICI3, the number ...

    Text Solution

    |

  20. NaCZ is doped with 2 xx 10^(-2) mole% of SrCl(2) then the number of ca...

    Text Solution

    |