In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca2+) and fluoride ion (F– ) are
The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N +H) in a 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 × 10–9) is
The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is
For a sample of perfect gas when its pressure is changed isothermally from pi to pf , the entropy change is given by
How many electrons can fit in the orbital for which n = 3 and £ = 1 ?
During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlorine gas using a current of 3 amperes is