The GATE Grind

GATE Physical Chemistry: Molecular Structure and Chemical Bonding: Born-Oppenheimer approximation; Valence bond theory treatment for hydrogen molecule and linear combination of atomic orbitals – molecular orbitals (LCAO-MO) theory. Concept of hybridization and hybrid orbitals. Applications of LCAO-MO theory to H2+, H2; Molecular orbital theory (MOT) of homo- and heteronuclear diatomic molecules. Hückel theory, applications to simple molecules, small conjugated π-electron systems. – Previous Year Questions

1 GATE previous year questions on Molecular Structure and Chemical Bonding: Born-Oppenheimer approximation; Valence bond theory treatment for hydrogen molecule and linear combination of atomic orbitals – molecular orbitals (LCAO-MO) theory. Concept of hybridization and hybrid orbitals. Applications of LCAO-MO theory to H2+, H2; Molecular orbital theory (MOT) of homo- and heteronuclear diatomic molecules. Hückel theory, applications to simple molecules, small conjugated π-electron systems. (Physical Chemistry, Chemistry) with answers and explanations, from every paper.

  1. GATE 2024 CY Q44 (2 marks, Multiple choice) – 1, 2, 3, and 4 are four Hückel molecular orbitals of benzene with orbital energies E 1,E 2,E 3, and E 4, respectively. 1=12( B+ C- E- F) 2=6-1/2( A-…