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asked ago in Chemical bonding and molecular structure by (35.4k points)

According to MOT (Molecular Orbital Theory), the molecular orbitals are formed by mixing of atomic orbitals through LCAO (linear combination of atomic orbitals). The correct statement(s) about molecular orbitals is/are 

Statement (a) :bonding molecular orbitals are formed by addition of wave-functions of atomic orbitals of same phase 

Statement (b) : anti-bonding molecular orbitals are formed by subtraction of wave-functions of atomic orbitals of same phase 

Statement (c) : non-bonding molecular orbitals do not take part in bond formation because they belong to inner shells 

Statement (d) : anti-bonding molecular orbitals provide stability to molecules while bonding molecular orbitals make the molecules unstable. 

(A) Statement a, d (B) Statement a, b, c (C) Statement a, b, d (D) Statement a, b 

1 Answer

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Correct Answer : D. Statement a, b

bonding molecular orbitals are formed by addition of wave-functions of atomic orbitals of same phase,

anti-bonding molecular orbitals are formed by subtraction of wave-functions of atomic orbitals of same phase

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