Home
Class 12
CHEMISTRY
Assertion : A simplified coordination nu...

Assertion : A simplified coordination number ratio for ions of any ionic crystal is inverse of molar ratio.
Reason : Coordination number ratio of cation to anion in `CaF_(2)` (fluorite structure) is 8 : 4.

A

If both (A) and ( R) are correct and ( R) is the correct explanation of(A).

B

If both (A) and ( R) are correct, but ( R) is not the correct explanation of (A).

C

If (A) is correct, but ( R) is incorrect.

D

If both (A) and ( R) are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    BRILLIANT PUBLICATION|Exercise QUESTIONS|14 Videos
  • SOLID STATE

    BRILLIANT PUBLICATION|Exercise LEVEL-1|50 Videos
  • SOLID STATE

    BRILLIANT PUBLICATION|Exercise LEVEL-II|50 Videos
  • REDOX REACTION & ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTION (ELECTROCHEMISTRY) (LEVEL -II) (ASSERTION-REASON)|3 Videos
  • SOLUTIONS

    BRILLIANT PUBLICATION|Exercise Level-III (Linked Comprehension Type)|12 Videos

Similar Questions

Explore conceptually related problems

Rock salt type crystal structure has coordination number for each type of ion.

Assertion : In gaseous reaction, the ratio of volumes of reactants and products is in agreement with their molar ratio Reason : Volume of a gas is inversely proportional to its moles at a particular temperature and pressure

Assertion : In any ionic solid [MX] with Schottky defects, the number of positive and negative ions are same. Reason : Equal number of cation and anion vacancies are present.

The range of radius ratio (cation to anion) for an octahedral arrrangement of ions in an ionic solid is

Assertion : When NO reacts with FeSO_4 , a brown coloured complex is formed. Reason : In the complex, the coordination number of Fe is +6.

Assertion : A metal crystallizing in bcc structure has coordination number of eight. Reason : Each metal atom at the corner is surrounded by eight body centred atoms.

Assertion : Hexagonal close packing is more closely packed than cubic close packing. Reason : Hexagonal close packing has a coordination number of 12 whereas cubic close packing has a coordination number of 8.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : Volume of a gas is directly proportional to the number of moles of gas. Reason : The ratio by volume of gaseous reactants and products is in agreement with their mole ratio.

BRILLIANT PUBLICATION-SOLID STATE-LEVEL-II (ASSERTION - REASON TYPE)
  1. Assertion : In any ionic solid [MX] with Schottky defects, the number ...

    Text Solution

    |

  2. Assertion : Electrical conductivity of intrinsic semiconductors increa...

    Text Solution

    |

  3. Assertion : Due to Frenkel defect, there is no change in the density o...

    Text Solution

    |

  4. Assertion : On heating ferromagnetic or ferrimagnetic substances, they...

    Text Solution

    |

  5. Assertion : In crystalline solids, the value of resistance is differen...

    Text Solution

    |

  6. Assertion : A tetrahedral void is surrounded by four spheres and an oc...

    Text Solution

    |

  7. Assertion : Frenkel defect is also called dislocation defect. Reason...

    Text Solution

    |

  8. Assertion : Ferromagnetic substances are strongly attracted by magneti...

    Text Solution

    |

  9. Assertion : Semiconductors are the solids with conductivities in the i...

    Text Solution

    |

  10. Assertion : Graphite is an example of tetragonal crystal system. Rea...

    Text Solution

    |

  11. Assertion : A metal crystallizing in bcc structure has coordination nu...

    Text Solution

    |

  12. Assertion (A) : In Rock salt type structuires, all the coctahedral voi...

    Text Solution

    |

  13. Assertion : If the length of the unit cell of LiCl having NaCl structu...

    Text Solution

    |

  14. Assertion : When 1.0 mol of NaCl is doped with 10^(-3) mol SrCl(2), th...

    Text Solution

    |

  15. Assertion : When an atom crystallizes in either fcc or hcp arrangement...

    Text Solution

    |

  16. Assertion : Hexagonal close packing is more closely packed than cubic ...

    Text Solution

    |

  17. Assertion : A simplified coordination number ratio for ions of any ion...

    Text Solution

    |

  18. Assertion : Increase in dielectric constant is observed in Frenkel def...

    Text Solution

    |

  19. Assertion : In hexagonal close packing voids are between three touchin...

    Text Solution

    |

  20. Assertion : Solids having more F-centres possess intense colours. Re...

    Text Solution

    |