Predict the correct order among the following:
lone pair - lone pair > lone pair - bond pair > bond pair - bond pair
lone pair - lone pair > bond pair - bond pair > lone pair - bond pair
bond pair - bond pair > lone pair - bond pair > lone pair - lone pair
lone pair - bond pair > bond pair - bond pair > lone pair - lone pair
VSEPR Theory -
1. The shape of the molecule is determined by repulsions between all of the electron pair present in valence shell.
2. Order of repulsion
3 Repulsion among the bond pair is directly proportional to the bond order and electronegativity difference between the central atom and the other atom.
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According to VSERPR theory the repassive forces between lone pair and lone pair and bond pair which are further greather than bond pair and bond pair.
Option 1)
lone pair - lone pair > lone pair - bond pair > bond pair - bond pair
Correct Option
Option 2)
lone pair - lone pair > bond pair - bond pair > lone pair - bond pair
Incorrect Option
Option 3)
bond pair - bond pair > lone pair - bond pair > lone pair - lone pair
Incorrect Option
Option 4)
lone pair - bond pair > bond pair - bond pair > lone pair - lone pair
Incorrect Option