Home
Class 12
CHEMISTRY
Assertion : The packing efficiency is ma...

Assertion : The packing efficiency is maximum for the fcc structure.
Reason : The cordination number is 12 in fcc structure.

A

Assertion and reason both are corrent statements and reason is correct explanation for assertion.

B

Assertion and reason both are corrent statements but reason is not correct explanation for assertion.

C

Assertion is corrent statement but reason reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
B

Corrcet Explanation. The constituents are closely packed in fcc arrangement.
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    DINESH PUBLICATION|Exercise ASSIGNMENT|134 Videos
  • SOLID STATE

    DINESH PUBLICATION|Exercise multiple choice|48 Videos
  • SOLID STATE

    DINESH PUBLICATION|Exercise PROBLEMS|71 Videos
  • REDOX REACTIONS

    DINESH PUBLICATION|Exercise Ultimate Preparation|9 Videos
  • SOLUTIONS

    DINESH PUBLICATION|Exercise ULTIMATE PREPARATORY PACKAGE|10 Videos

Similar Questions

Explore conceptually related problems

Assertion :- (A) the paking efficiency is maximum for the fcc struture . Reason :- ( R) the coordination number is 2 in fcc structures.

The packing efficiency for a body centred cubic structure is

The fcc structure is often called

The coordination number of the fcc structure for metals is

What is the packing efficiency is ccp structure?

DINESH PUBLICATION-SOLID STATE-MULTIPLE CHOCIE QUESTION (TYPE-I)
  1. An excess of potassium ions makes KCL crystals appear violet or l...

    Text Solution

    |

  2. the number of tetrahedral voids per unit cell in NaCl crystal is ...

    Text Solution

    |

  3. Amorphous solids can also be callled ………….. .

    Text Solution

    |

  4. A perfect crystal of silicon (fig) is doped with some elements a...

    Text Solution

    |

  5. Which of the following statements are correct ?

    Text Solution

    |

  6. Which of the following features are not shown by quartz glass ?

    Text Solution

    |

  7. Which of the following cannot be regarded as molecular solid ?

    Text Solution

    |

  8. In which of the following arrangements, Octahedral voids are forme...

    Text Solution

    |

  9. Frenkel defect is also known as ……… .

    Text Solution

    |

  10. Which of the following defects decrease the density ?

    Text Solution

    |

  11. match the defects given in column I with the statements in given...

    Text Solution

    |

  12. match the type of unit cell given column I with the features iv...

    Text Solution

    |

  13. match the types of defect given in column I with the statement...

    Text Solution

    |

  14. match the items given in column I with the items given in colum...

    Text Solution

    |

  15. Match the type of packing given in column I with the iterms give...

    Text Solution

    |

  16. Assertion :- (a) the total number of atoms present in a simple c...

    Text Solution

    |

  17. Assertion :- (A) Graphite is good conductor of electricity however ...

    Text Solution

    |

  18. Assertion :- (A) total number of octahedral voids present in ...

    Text Solution

    |

  19. Assertion : The packing efficiency is maximum for the fcc structure. ...

    Text Solution

    |

  20. Assertion :-(A) semiconductors are solids with conductivites in t...

    Text Solution

    |