AIIMS2017ChemistryChemical Bonding and Molecular Structure
H ₂ O is polar, whereas BeF ₂ is not because
Options
- Aelectronegativity of F is greater than that of O
- BH ₂ O involves H -bonding, whereas BeF ₂ is a discrete molecule
- CH ₂ O is angular and BeF ₂ is linear
- DH ₂ O is linear and BeF ₂ is angular.
Correct answer
C. H ₂ O is angular and BeF ₂ is linear
Step-by-step solution
Because of linear shape, dipole moments cancel each other in BeF ₂( ~F = Be F ) and thus, it is non-polar, whereas H ₂ O is V -shaped and hence, it is polar.