Home
Class 12
CHEMISTRY
(A) Diamond and graphite do not have sam...

(A) Diamond and graphite do not have same crystal structure. (R) Diamond is crystalline while graphite is amorphous

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    AAKASH SERIES|Exercise LEVEL - I (EXERCISE - I)|68 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise LEVEL - I (EXERCISE - II)|77 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|22 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise COMPLEX COMPOUNDS|47 Videos
  • SOLIDS STATE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|63 Videos

Similar Questions

Explore conceptually related problems

Diamond and graphite are

Explain the structures of Diamond.

Do all furnaces have same structure?

Why diamond is hard compared with graphite?

(A): Diamond is an insulator and graphite is a conductor. (R): Diamond is used as abrasive and graphite as lubricant.

(A) Mn & Hg exist in simple crystal structures. (R) Both Mn & Hg are solids.

Diamond is insulator, but graphite is a conductor. Why?

The metal having 26% void space in its crystal structure is

Explain briefly about the structure of 'Diamond'?

Discuss the structural difference between diamond and graphite.

AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -4
  1. (A) Crystals exhibiting Frenkel type defects do not show any change in...

    Text Solution

    |

  2. (A) Glass is an amorphous solid (R) Glass has an irregular, random arr...

    Text Solution

    |

  3. (A) Diamond and graphite do not have same crystal structure. (R) Diamo...

    Text Solution

    |

  4. (A) Space or crystal lattice differ in symmetry of the arrangement of ...

    Text Solution

    |

  5. (A) In close packing of spheres a tetrahedral void is surrounded by fo...

    Text Solution

    |

  6. (A) The presence of a large number of Schottky defects in NaCZ lowers ...

    Text Solution

    |

  7. (A) Frenkel defects are found in silver halides (R) Frenkel defects a...

    Text Solution

    |

  8. (A) Electrical conductivity of semiconductors increases with increasin...

    Text Solution

    |

  9. (A) On heating ferromagnetic or ferrimagnetic substances, they become ...

    Text Solution

    |

  10. (A) Insulators are generally good conductors (R) Insulators have free...

    Text Solution

    |

  11. (A) Anti ferromagnetic substances posses zero magnetic moment. (R) MnO...

    Text Solution

    |

  12. (A) Ionic solids conduct electricity in solid state. (R) Their conduct...

    Text Solution

    |

  13. (A) Ionic solids are characterized by high melting and boiling point. ...

    Text Solution

    |

  14. (A) Molecular solids are characterized by low melting point. (R) Molec...

    Text Solution

    |

  15. (A) Amorphous Substances are isotropic (R) Properties like refractive ...

    Text Solution

    |

  16. (A) Conductivity of silicon increases by doping it with group-15 eleme...

    Text Solution

    |

  17. (A) Cadmium sulphide is perfectly covalent (R) The difference of elect...

    Text Solution

    |

  18. (A) Crystalline solids are anisotropic in nature (R) Crystalline subs...

    Text Solution

    |

  19. (A) Packing efficiency of hep and CCP are not equal (R) hep, ccp both ...

    Text Solution

    |

  20. (A) Visible light can not be used to study crystals (R) The wave lengt...

    Text Solution

    |