12 questions from a source that prints this span of years rather than the year of each question. Each opens with its answer and explanation.
ABC26PH1031 · Photochemistry of a molecule, M, is described as by the mechanism The intercept at [Q]=0 is 4 for the inverse of fluorescence intensity… · Photochemistry – General
ABC26PH1159 · The Hückel molecular orbital of benzene that is degenerate with the molecular orbital 1/2 (chi 2+ chi 3- chi 5- chi 6) · Quantum Chemistry – General
ABC26PH1160 · In linear variation method using two orthogonal basis functions, the two roots obtained are ∈0 and ∈1 (∈0<∈1). The correct relation of… · Quantum Chemistry – General
ABC26PH1161 · The expectation value of p2 of a particle in a cubic box of side l, having the wave function Psi _nx, ny, nz(x, y, z)= (2/l)3/2 sin (2 pi… · Quantum Chemistry – General
ABC26PH1162 · For a model system of three non-interacting electrons confined in a two dimensional square box of length L, the ground state energy in… · Quantum Chemistry – General
ABC26PH1163 · Consider a particle on a ring that is perturbed by interacting with an applied electric field (E) with the perturbation being H′= mu E cos… · Quantum Chemistry – General
ABC26PH1164 · For an electron in 1s orbital of He+, the average value of r,<r> is · Quantum Chemistry – General
ABC26PH1165 · Let the Hamiltonian H, in one-dimension, be H=px2/2 m+V(x). The commutator of H with x, [H, x], is · Quantum Chemistry – General
ABC26PH1166 · The commutator, [x, px2] is equivalent to · Quantum Chemistry – General
ABC26PH1167 · The total pi -electron density on the four carbon atoms of trans butadiene are in the ratio · Quantum Chemistry – General
ABC26PH1168 · Consider an electron me=9.1 × 10-31 kg having energy 13.6 eV, confined in an infinite potential well. If the potential energy inside the… · Quantum Chemistry – General
ABC26PH1169 · When a hydrogen atom is exposed to a perturbation V=E. z, the first order correction to the wave function comes only from the orbital · Quantum Chemistry – General