Home
Class 12
CHEMISTRY
Assertion(A) - The geometry of formaldeh...

Assertion(A) - The geometry of formaldehyde molecule is trigonal planar.
Reason(R) -In `H_2CO` molecule, the carbon atom is surrounded by 3 sigma bonding electron pairs.

A

Both A and R true and R is the correct explanation of A

B

Both A and R true and R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|20 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise Brain Teaser-1|40 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise Integer|4 Videos
  • CARBOXYLIC ACIDS

    DINESH PUBLICATION|Exercise BRAIN STORMING MULTIPLE CHOICE QUESTIONS (MCQS)|13 Videos
  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Additional Numerical Problems For Practice|16 Videos

Similar Questions

Explore conceptually related problems

Assertion(A) - The bond order of NO molecule is 2.5. Reason( R )-NO molecule is paramagnetic in nature.

Assertion (A) Formaldehyde is a planar molecule. Reason (R) It contains sp^(2) hybridised carbon atom.

Assertion : C_(2)H_(2) molecule is linear. Reason : In C_(2)H_(2) carbon atoms remain unhybridized.

Assertion : Carbonium ions are trigonal planar. Reason : Its carbon is sp^(2) hybridised.

Why is BeCl_(2) molecule linear, but BF_(3) is trigonal planar?

Assertion:In formaldehyde, all the four atoms are in the same plane Reason:The carbon atom in formaldehyde is sp^3 hybridized

DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Reason Assertion
  1. Assertion(A) - There are ten valence electrons on the sulphur atom in ...

    Text Solution

    |

  2. Assertion(A) - Fluorine molecule has bond order one. Reason(R)-The n...

    Text Solution

    |

  3. Assertion(A) - The geometry of formaldehyde molecule is trigonal plana...

    Text Solution

    |

  4. Assertion(A) - Silicon tetrafluoride. SiF4 is non polar even though fl...

    Text Solution

    |

  5. Assertion(A) - H2 molecule is more stable than He molecule. Reason(R...

    Text Solution

    |

  6. Assertion : The atoms in a covalent molecule are said to share el...

    Text Solution

    |

  7. Assertion : Water is a good solvent for ionic compounds but poor one...

    Text Solution

    |

  8. Assertion (A): Lithium chloride is predominantly covalent compound. ...

    Text Solution

    |

  9. Assertion(A) - BF3 molecule is planar but NF3 is pyramidal Reason( R...

    Text Solution

    |

  10. Assertion(A) - FeCl3 undergoes sublimation at a lower temperature. R...

    Text Solution

    |

  11. Assertion(A) - The bond order of NO molecule is 2.5. Reason( R )-NO ...

    Text Solution

    |

  12. Assertion(A) - CO3^(2-) ion is relatively more stable than H2CO3. R...

    Text Solution

    |

  13. Assertion(A) - Magnetic moment of super oxide ion is much larger than ...

    Text Solution

    |

  14. Assertion(A) - OF molecule is theoretically more stable than F2 Reas...

    Text Solution

    |

  15. Assertion(A) - In N2 molecule, the N atoms are bonded by one sigma and...

    Text Solution

    |

  16. Assertion(A) - In calcium carbide, the two carbon atoms are held by si...

    Text Solution

    |

  17. Assertion(A) - KCl is a heteroatomic as well as diatomic molecule Re...

    Text Solution

    |

  18. Assetion Both N(2) and NO^(o+) are diamagnetic Reasoning NO^(o+) is ...

    Text Solution

    |

  19. Assertion(A) - The bond angle around PBr3 is larger than that in PH3 b...

    Text Solution

    |

  20. Assertion(A) - NO3^- ion has same geometry as NH3. Reason(R ) : The ...

    Text Solution

    |