111 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26PH1326 · The wavelength and the spectral region for a single electron transfer across the band gap in a semi-conductor (Ex=1.98 10-19 ) are [h=6.626… · Band Theory
ABC26PH1374 · The lowest energy-state of an atom with electronic configuration ns1np1 has the term symbol · Statistical Equilibrium
ABC26PH1375 · The electric-dipole allowed transition among the following is · Partition Functions
ABC26PH1376 · The term symbol for the first excited state of Be with the electronic configuration 1 s2 2 s1 3 s1 is · Statistical Thermodynamics – General
ABC26PH1416 · Dispersion of a solid in a liquid, a liquid in a gas and a liquid in a liquid are respectively known as · Colloids Micelles
ABC26PH1417 · A dilute silver nitrate solution is added to a slight excess iodide solution. A solution of AgI is formed whose surface adsorbs. · Surface Chemistry – General
ABC26PH1419 · The adsorption of a gas is described by the Langmuir isotherm with the equilibrium constant K =0.9\,kPa-1 at 25°C. The pressure (in kPa) at… · Adsorption Isotherms
ABC26PH1453 · The vapour of a pure substance, when cooled under a pressure less than its triple-point pressure, · Thermodynamics – General
ABC26PH1454 · The quantities, which are held fixed in a canonical ensemble are · Thermodynamics – General
ABC26PH1455 · An ideal gas was subjected to a reversible, adiabatic, expansion and then its initial volume was restored by a reversible, isothermal… · Thermodynamics – General