Home
Class 12
CHEMISTRY
Assertion (A) : Covalent crystals have h...

Assertion (A) : Covalent crystals have higher melting point.
Reason (R ) : Covalent bonds are stronger than ionic bonds.

A

If both assertion and reason are correct and reason is correct explanation for assertion

B

If both assertion and reason are correct but reason is not correct explanation for assertion

C

If assertion is correct but reason is incorrect

D

If both assertion and reason are incorrect

Text Solution

Verified by Experts

The correct Answer is:
C
Correct Reason. High melting points of covalent crystals are due to net work structure However covalent bonds are weaker than ionic bonds
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    DINESH PUBLICATION|Exercise Integer|13 Videos

  • SOLID STATE

    DINESH PUBLICATION|Exercise Matrix|4 Videos

  • SOLID STATE

    DINESH PUBLICATION|Exercise Straight objective|26 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

Statement -1 : Covalent crystals have the highest melting point . Statement 2: Covalent bonds are stronge than ionic bonds.

Covalent Bonding

Covalent bonds are non-directional bonds.

DINESH PUBLICATION-SOLID STATE-A.R
  1. Statement : Schottky defect is generally shown by the compounds with ...

    Text Solution

    |

  2. Assertion (A) : CsCl crystal, the coordination number of Cs^(o+) ion i...

    Text Solution

    |

  3. Assertion (A) : Covalent crystals have higher melting point. Reason ...

    Text Solution

    |

  4. Assertion: Hexagonal close packing in more light than cubic close pack...

    Text Solution

    |

  5. Assertion: Triclinic system is the most unsymmetrical system. Reason...

    Text Solution

    |

  6. Statement I: In any ionic solid [MX] with Schottky defect, the number ...

    Text Solution

    |

  7. Assertion: In sodium crystal, the co-ordination number of Na^(+) ion i...

    Text Solution

    |

  8. Assertion: Crystalline solids are anisotropic. Reason: Cystalline so...

    Text Solution

    |

  9. Assertion: In a crystal, the size of the cation is larger in a tetrahe...

    Text Solution

    |

  10. Assertion: In a close packing of spheres, a tetrahedral void is surrou...

    Text Solution

    |

  11. Assertion :In NaCIcrystal each Na^(+) ion is tourching 6 CI^(-) ion bu...

    Text Solution

    |

  12. Statement : Due to Frenkel defect the density of the crystalline solid...

    Text Solution

    |

  13. Assertion : On heating ferromagnetic or ferromagnetic substance , the...

    Text Solution

    |

  14. Assertion (A) : The electrical conductivity of a semiconductor increas...

    Text Solution

    |

  15. Assertion (A) : Group-13-doped crystals of Si are called p-type semico...

    Text Solution

    |

  16. Assertion (A) : Graphite is an example of tetragonal crystal system. ...

    Text Solution

    |

  17. Band gap in germanium is small. The energy spread of each germanium ...

    Text Solution

    |

  18. STATEMENT -1 : In NaCl structure , Na^(+) ion occupy octahedral hole...

    Text Solution

    |

  19. Assertion: In the body centred cubic structure of CsCl the arrangement...

    Text Solution

    |

  20. Assertion: Diamond has a ccp arrangement in which corners, face centre...

    Text Solution

    |