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Per NCERT §4.5, Valence Bond (VB) theory was introduced by which scientists, in which year, and was later developed by Pauling and others?
AHund and Mulliken (1932)
BBohr and Sommerfeld (1913)
CSchrödinger alone (1926)
DHeitler and London (1927)
Answer & Solution
Correct answer: D. Heitler and London (1927)
Per NCERT §4.5, VBT: Heitler + London 1927; refined by Pauling. (MOT was Hund + Mulliken 1932.)
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