Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 and XY2 weights 10 g and 0.05 mole of X3Y2 weights 9 g, the atomic weights of X and Y are
The solubility of AgCl(s) with solubility product 1.6 × 10 –10 is in 0.1 M NaCl solution would be
Which one of the following is incorrect for ideal solution ?
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
