Home
Class 12
CHEMISTRY
(A) : In many crystal structures of ioni...

(A) : In many crystal structures of ionic substances cations occupy the voids created byanions.
(R) : Cations are smaller than anions. 

A

Both (A) and (R) are true. (R) properly explain (A)

B

Both (A) and (R) are true. (R) does not explain (A)

C

(A) is true. (R) is false

D

(A) is false. (R) is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOLIDS STATE

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (PROPERTIES OF SOLIDS)|11 Videos

  • SOLID STATE

    AAKASH SERIES|Exercise PRACTICE SHEET - 5|30 Videos

  • SOLUTIONS

    AAKASH SERIES|Exercise Objective Exercise -4|50 Videos

Similar Questions

Explore conceptually related problems

The person for a cation to be smaller than its parent atom is

In rock salt structure, what percentage of the octahedral sites are occupied by cations?

In which of the following, cation occupies cubic void.

In a NaCl crystal, cations and anions are held together by

If CaF_(2) structure the nearest inter cationic distance in 'x' what is the nearest inter anionic distance ?

Explain why cation is smaller and anion is larger in radii than their parent atoms.

A solid has hcp lattice. Atoms of Z (anions) form hcp lattice. Atoms of X (cations) occupy all the octahedral voids in the lattice. Atoms of Y(cations) occupy half of the tetrahedral voids. What is the molecular formula of the solid ?

AAKASH SERIES-SOLIDS STATE-PRACTICE EXERCISE
  1. In an ionic crystal, cation "A" occupiesthe  lattice points in a FCC a...

    Text Solution

    |

  2. A solid is made up of two types of atoms "X" and "Y". Atoms of "X" occ...

    Text Solution

    |

  3. (A) : In many crystal structures of ionic substances cations occupy th...

    Text Solution

    |

  4. In a compound oxide ions have CCP arrange ment. Cations A are present ...

    Text Solution

    |

  5. An alloy of Cu, Ag and Au is found to have copper onstituting the CCP ...

    Text Solution

    |

  6. In polonium the total space occupied by the atoms in its crystal latti...

    Text Solution

    |

  7. Edge length of a cube is 400 pm. Then its bodydiagonal length would be

    Text Solution

    |

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

    Text Solution

    |

  9. Ar crystallizes in a F.C.C lattice with one atom at each lattice point...

    Text Solution

    |

  10. Sodium  crystalises in body centred cubic lattice. The edge length of ...

    Text Solution

    |

  11. A metallic element exists in simple cubic structure. Each edge length ...

    Text Solution

    |

  12. At room temperature, Polonium (atomic weight 209 gm mol^(-1)) crystall...

    Text Solution

    |

  13. Iron (alpha-from) crystallises in a body - centred cubic system with e...

    Text Solution

    |

  14. A crystalline solid substance has a density of 10 g//cm^(3) and the le...

    Text Solution

    |

  15. An element crystallises in a structure having a f.c.c unit cell of an ...

    Text Solution

    |

  16. A substance forms f.c.c. crystal structure. Its density is 1.984 gm cm...

    Text Solution

    |

  17. The density of crystalline NaCl is 2.165 gm cm^(-3). What would be the...

    Text Solution

    |

  18. The unit cell of aluminium is a cube with an edge length of 405 pm. Th...

    Text Solution

    |

  19. The Cubic Unit cell of a metal (molar mass = 63.55 g mol^(-1)) has an ...

    Text Solution

    |

  20. CsBr crystallise in a body centred cubic lattice. The unit cell length...

    Text Solution

    |