NEET2016ChemistryChemical Bonding and Molecular StructureActual
Predict the correct order among the following:
Options
- ALone pair - lone pair > lone pair - bond pair > bond pair - bond pair
- BLone pair - lone pair > bond pair - bond pair > lone pair - bond pair
- CBond pair - bond pair > lone pair - bond pair > lone pair - lone pair
- DLone pair - bond pair > bond pair - bond pair > lone pair - lone pair
Correct answer
A. Lone pair - lone pair > lone pair - bond pair > bond pair - bond pair
Step-by-step solution
As per VSEPR theory, overall order of Repulsion is: Bond pair-bond pair<Bond pair-lone pair<Lone pair-lone pair . Since lone pair occupy more space in comparison to bond pair therefore, it causes more repulsion.