Home
Class 12
CHEMISTRY
Name the crystal defect which lowers the...

Name the crystal defect which lowers the density in an ionic crystal

Text Solution

Verified by Experts

Schottky defect.
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    OSWAAL PUBLICATION|Exercise TOPIC -2 (SHORT ANSWER TYPE QUESTIONS)|21 Videos

  • SOLID STATE

    OSWAAL PUBLICATION|Exercise TOPIC -1 (LONG ANSWER TYPE QUESTIONS - II)|3 Videos

  • Sample Paper 8

    OSWAAL PUBLICATION|Exercise EXCERSICE|54 Videos

  • SOLUTIONS

    OSWAAL PUBLICATION|Exercise TOPIC - 3 COLLIGATIVE PROPERTIES , DETERMINATION OF MOLAR MASS, ABNORMAL MOLAR MASS, VAN.T HOFF FACTOR (LONG ANSWER TYPE QUESTIONS - II)|18 Videos

Similar Questions

Explore conceptually related problems

Which of the following is a dichoric crystal

What is the Schotky defect? How does it affect the density of the crystal?

Which one of the following is a covalent crystal?

In a tetragonal crystal

The addition of CaCl_(2) crystal to KCl crystal a. Lowers the density of the KCl crystal b. Raises the density of the KCl crystal c. Does not affect the density of the KCl crystal d. Increases the Frenkel defects of the KCl crystal

The addition of CaCl_(2) to a KCl crystal lowers the density of the KCl crystal.

Examine the given defective crystal and {:(A^(+),B^(-),A^(+),B^(-),A^(+)),(B^(-),0,B^(-),A^(+),B^(-)),(A^(+),B^(-),A^(+),0,A^(+)),(B^(-),A^(+),B^(-),A^(+),B^(-)):} Answer the following questions : (i) What type of stoichiometirc defect is shown by the crystal ? (ii) How is the density of the crystal affected by this defect ? (iii) What type of ionic substances show such defect ?

(a) Sodium metal crystallizes in bcc structure. Its unit cell edge length is 420 pm. Calculate its density. (Atomic mass of sodium = 23 u, N_(A) = 6.022 xx 10^(23) mol^(-) ). (b) What is Frenkel defect ? How does it affect the density of a crystal ?

Which one of the following is a molecular crystal?

OSWAAL PUBLICATION-SOLID STATE-TOPIC -2 (VERY SHORT ANSWER TYPE QUESTIONS )
  1. Name the crystal defect which lowers the density in an ionic crystal

    Text Solution

    |

  2. What is Frenkel defect? Give an example.

    Text Solution

    |

  3. Define radius ratio.

    Text Solution

    |

  4. Mention one property which is caused due to the presence of F-centre i...

    Text Solution

    |

  5. What are paramagnetic materials ? Give examples.

    Text Solution

    |

  6. Define ferromagnetism.

    Text Solution

    |

  7. Which point defect decreases the density of a solid ?

    Text Solution

    |

  8. Express the relationship between atomic radius (r) and edge length (a)...

    Text Solution

    |

  9. What type of stoichiometric defect is shown by AgCl ?

    Text Solution

    |

  10. What type substances would make better permanent magnets, ferromagneti...

    Text Solution

    |

  11. On heating a crystal of KCl in potassium vapour, the crystal starts ex...

    Text Solution

    |

  12. Which type of ionic substances show Schottky defect in solids ?

    Text Solution

    |

  13. What is meant by 'doping' in a semiconductor ?

    Text Solution

    |

  14. How is the conductivity of an intrinsic semiconductor be increased ?

    Text Solution

    |

  15. Which stoichiometric defect increases the density of a solid ?

    Text Solution

    |

  16. What type of stoichiometric defect is shown by AgBr and AgI ?

    Text Solution

    |

  17. What type of defect can arise when a solid is heated ?

    Text Solution

    |

  18. Why does LiCl acquire pink colour when heated in Li vapours ?

    Text Solution

    |

  19. What are n-type semiconductors ?

    Text Solution

    |

  20. Which type of substance wxhibit anti ferromagnetism ?

    Text Solution

    |