Home
Class 12
CHEMISTRY
The anionic sites occupied by electrons ...

The anionic sites occupied by electrons are called

A

X-center

B

Y-center

C

S-center

D

F-center

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THE SOLID STATE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - A) (OBJECTIVE TYPE QUESTION)|58 Videos

  • THE SOLID STATE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B) (OBJECTIVE TYPE QUESTION)|25 Videos

  • THE SOLID STATE

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-J (AAKASH CHALLENGERS )|10 Videos

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE|Exercise Assignment (Section-J)|10 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (Section -D) Assertion-Reason Type Questions|15 Videos

Similar Questions

Explore conceptually related problems

Assertion: ZnO becomes yellow when it is heated. Reason: The anionic sites occupied by unpared electrons (due to F_centres)

Consider the following statements I. NaCl and KCl show metal excess defect due to anionic vacancies II. F- centres are the anionic site occupied by unpaired electrons III. F-centres is derived from the germen word farbenzenter for colour centre . F-centres impart yellow colour to the NaCl crystals Which of the above statements is / are correct ?

What is the space occupied by matter called ?

In a normal spinel structure , O^(2-) ions form fcc packing and 1/8 of the tetrahedral sites are occupied by divalent metal , A^(2+) ions and half of the octahedral sites are occupied by trivalent metal B^(3+) ions, what is the ratio of tetrahedral/octahedral sites : (i) occupied in spinel structure (ii) not occupied in spinel structure .

The space occupied by a substance is called________

The mass number of an anion, X^(3-) , is 14. if there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X_2 of the element will be

Regulatory sites present over the enzymes are called

AAKASH INSTITUTE-THE SOLID STATE -EXERCISE
  1. The number of tetrahedral voids present on each body diagonal ccp unit...

    Text Solution

    |

  2. Octahedral void at edge center in ccp arrangement is equally distribut...

    Text Solution

    |

  3. Total number of octahedral voids present per unit cell of ccp unit cel...

    Text Solution

    |

  4. The co-ordination number in 3D-hexagonal close packing is

    Text Solution

    |

  5. The efficiency of packing in simple cubic unit cell is

    Text Solution

    |

  6. 'A' has fcc arrangement, 'B' is present in 2//3^(rd) of tetrahedral vo...

    Text Solution

    |

  7. Gold crystallises in ccp structure. The number of voids present in 197...

    Text Solution

    |

  8. The correct relation for radius of atom and edge - length in case of f...

    Text Solution

    |

  9. The type of void present at the centre of the ccp unit cell is

    Text Solution

    |

  10. The ratio of atoms present per unit cell in bcc to that present in fcc...

    Text Solution

    |

  11. Stoichiometric defect is also known as

    Text Solution

    |

  12. Which one of the following compounds can show Frenkel defect ?

    Text Solution

    |

  13. In NaCl there are schottky pairs per cm^(3) at room temperature

    Text Solution

    |

  14. Which of the following compounds is likely to show both Frenkel a...

    Text Solution

    |

  15. The anionic sites occupied by electrons are called

    Text Solution

    |

  16. The solids which are good conductor of electricity should have conduct...

    Text Solution

    |

  17. Identify the antiferromagnetic substance

    Text Solution

    |

  18. n-type semiconductor is

    Text Solution

    |

  19. Which of the following substance is diamagnetic ?

    Text Solution

    |

  20. Metal excess defect arises due to

    Text Solution

    |