166 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26PH1201 · The normalized hydrogen atom 1 s wave function is given by 1 s=1√( pi ) (a0 )2 e^-0a0 where =1 and energy is -0.5 au . If we use a… · Hydrogen Atom
ABC26PH1202 · A constant of motion is defined by the equation: · Postulates Operators
ABC26PH1204 · The unperturbed energy levels of a system are 0=0, 1=2 and 2=4. The second order correction to energy for the ground state in pressure of… · Perturbation Theory
ABC26PH1205 · The energy levels for cyclobutadiene are alpha +2 beta , alpha , alpha and alpha -2 beta . The delocalization energy in this molecule is: · Quantum Chemistry – General
ABC26PH1206 · For a certain particle encountering a barrier, the tunneling probability is approximately e-10. If the mass is halved and width of the… · Quantum Chemistry – General
ABC26PH1207 · An operator A is defined as A=-d / dx+x. Which one of the following statements is true? · Postulates Operators
ABC26PH1208 · For a H2 molecule, the ground state wave function is 1,2=1,2\, sigma (1,2) where phi refers to the space part and sigma to the spin part… · Angular Momentum
ABC26PH1209 · A hydrogenic orbital with radial function of the form r alpha [- beta r] and phi -part as [-3 i phi ] corresponds to · Hydrogen Atom
ABC26PH1320 · A one-dimensional crystal of lattice dimension 'a' is metallic. If the structure is distorted in such a way that the lattice dimension is… · Band Theory
ABC26PH1369 · The possible J values for 3 D term symbol are · Statistical Thermodynamics – General
ABC26PH1370 · The term symbol for the ground state of nitrogen atoms is · Maxwell Boltzmann
ABC26PH1412 · The adsorption of a gas on a solid surface exhibits the following isotherm. Which one of the following statements is true? · Adsorption Isotherms
ABC26PH1413 · Isothermal which has fractional coverage, linearly, dependent1 on pressure at low pressures but almost independent at high pressure is… · Adsorption Isotherms
ABC26PH1446 · A process is carried out at constant volume and at constant entropy. It will be spontaneous if: · Free Energy Equilibria
ABC26PH1447 · The chemical potential of component 1 in a solution of binary mixture is 1=10+RT p1, when p1 is the partial pressure of component 1 vapour… · Partial Molar Quantities
ABC26OR1087 · The configurations at the two stereocentres in the compound given below are · Goc & Stereochemistry – General