What is valence bond theory?
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Explanation:
Valency Bond theory :
1. Electrons present in the molecule are localised as if they are in isolated atoms.
2.The Atomic orbitals of the combining atoms retain their individual identity.
3. It involves only the increase in the electron density in the region of orbital overlap.
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Answer:
your answer is
Explanation:
only unpaired can take part in bond formation.
A covalent bond b/w 2 atoms is formed by mixing of atomic orbitals which is called overlapping.
Strength of covalent bond b/w 2 atoms depend upon manner of overlapping.
Valence bond theory failed to explain paramagnetism of O2.
Resonance plays important role in this theory.
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