Home
Class 12
CHEMISTRY
A : Glass belongs to the category of cov...

A : Glass belongs to the category of covalent network solid.
R : Unit cell of glass is hexagonal.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion then mark (1)

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true statement but Reason is false then mark (3)

D

If both Assertion and Reason are false statements, then mark (4)

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 - C) (PREVIOUS YEARS QUESTION)|41 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

Glass sponges belong to the class

Example of a network covalent solid is :

Example of a network covalent solid is:

Glass sponges belong to ……..class

The cells lining the blood vessels belongs to the category of :

Which silicon compound is used in machinary (with moving parts) in a manner similar to the use of an allotrops a covalent network solid and a molecular solid?

AAKASH INSTITUTE-THE SOLID STATE -Assignment (SECTION - D) (ASSERTION-REASON TYPE QUESTION)
  1. A : In NaCl structure, the interionic distance is a/2 (a = Unit cell e...

    Text Solution

    |

  2. A : The co - ordination number of CaF(2) is 8 : 4. R : Ca^(2+) ion...

    Text Solution

    |

  3. A : The number of spheres are equal to the number of octahedral voids ...

    Text Solution

    |

  4. A : In Schottky defect, density of crystal decreases. R : Equal nu...

    Text Solution

    |

  5. A : If a tetrad axis is passed through the unit cell of NaCl and all i...

    Text Solution

    |

  6. A : A particle at the corner of CCP unit cell has (1)/(8)th of its con...

    Text Solution

    |

  7. A : Glass belongs to the category of covalent network solid. R : U...

    Text Solution

    |

  8. A : NaCl shows Schottky defect at room temperature. R : NaCl shows...

    Text Solution

    |

  9. A : Fe(3)O(4) is ferrimagnetic at room temperature but becomes paramag...

    Text Solution

    |

  10. A : In molecular solids the lattice points are occupied by the atoms o...

    Text Solution

    |

  11. A : Silicon is insulator at 0 K but semiconductor at room temperature....

    Text Solution

    |

  12. A : Amorphous solids are isotropic. R : Amorphous solids are not rig...

    Text Solution

    |

  13. A : In NaCl coordination number of Cl^(-) ion is 6 but in CsCl coordin...

    Text Solution

    |

  14. A : All crystals of same substance possess the same elements of symmet...

    Text Solution

    |

  15. A : AgBr shows both Schottky and Frenkel defect. R : AgBr is a cry...

    Text Solution

    |

  16. A : Number of carbon atoms per unit cell in diamond is 8. R : The ...

    Text Solution

    |

  17. A : The coordination number of ionic compound depends upon radius rati...

    Text Solution

    |

  18. A : Number of rectangular plane in a cubic crystal is 3. R : Recta...

    Text Solution

    |

  19. A : ccp is more efficient than hcp. R : Packing fraction is differe...

    Text Solution

    |

  20. A : Coordination number of both Na^(+) and Cl^(-) NaCl is 6. R : Se...

    Text Solution

    |