Home
Class 12
CHEMISTRY
Covalency of oxygen cannot exceed 2 unli...

Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 or +6 because

A

oxygen atom does not have d-orbitals

B

oxygen atom has two unpaired electrons in its valence shell

C

oxygen can form a double bond with another oxygen atom

D

electrons of oxygen atom cannot be promoted to d-orbitals due to its small size.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THE P-BLOCK ELEMENTS

    NCERT FINGERTIPS ENGLISH|Exercise HOTS|7 Videos

  • THE P-BLOCK ELEMENTS

    NCERT FINGERTIPS ENGLISH|Exercise EXAMPLAR PROBLEMS|25 Videos

  • THE D- AND F- BLOCK ELEMENTS

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

  • THE SOLID STATE

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Account for the following: The valency of oxygen is generally 2, whereas sulfur shows valency of 2, 4 and 6.

Form of sulphur which shows paramagnetic behaviour

Maximum covalency of oxygen is 4. Why?

Tertiary nitro compounds cannot show tautomerism becauses :

Tertiary nitro compounds cannot show tautomerism becauses :

Sulphur does not exist as S_2 molecule because

Cerium shows oxidation state of +4 because

Statement-1 : C Cl_4 is not hydrolysed. Statement-2 : Maximum covalency of Carbon is 4 . It cannot expand its octet because of no vacant d orbitals.

Sulphur and oxygen are known to form two compounds. The sulphur content in one of these is 51 % while in the other is 41 %. Show that this data is in agreement with the law of multiple proportions.

Sulphur and oxygen are known to form two compounds. The sulphur content in one of these is 51 % while in the other is 41 %. Show that this data is in agreement with the law of multiple proportions.

NCERT FINGERTIPS ENGLISH-THE P-BLOCK ELEMENTS -Assertion And Reason
  1. Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 o...

    Text Solution

    |

  2. Assertion : The covalence of nitrogen in N(2)O(5) is 5 Reason : Nitr...

    Text Solution

    |

  3. Assertion : Catenation tendency is weaker in nitrogen. Reason : Nitr...

    Text Solution

    |

  4. Assertion: Ammonia acts as a ligand. Reason : A lone pair of electro...

    Text Solution

    |

  5. Assertion : White phosphorus is more reactive than red phosphorus. R...

    Text Solution

    |

  6. Assertion : In trigonal bipyramidal structure two axial bonds are long...

    Text Solution

    |

  7. Assertion : Acidic character of group 16 hydrides increases from H(2)O...

    Text Solution

    |

  8. Assertion : Ozone layer in the upper region of atmosphere protects ear...

    Text Solution

    |

  9. Assertion : O(3) acts as a powerful oxidising agent. Reason : O(3) o...

    Text Solution

    |

  10. Assertion: In vapour state sulphur is paramagnetic in nature. Reason...

    Text Solution

    |

  11. Assertion : Sulphuric acid reacts with sodium chloride in the followin...

    Text Solution

    |

  12. Assertion : Fluorine combines with sulphur to form SF(6) but no other ...

    Text Solution

    |

  13. Assertion : Fluorine oxidises water to oxygen whereas chlorine and bro...

    Text Solution

    |

  14. Assertion: HClO(4) is a stronger acid than HClO(3). Reason: Oxidatio...

    Text Solution

    |

  15. Assertion : Interhalogen compounds are more reactive than halogens (ex...

    Text Solution

    |

  16. Assertion :Solubility of noble gases in water decreases with increases...

    Text Solution

    |