AIF3 is soluble in HF only in presence of KF. It is due to the formation of
Boric acid is an acid because its molecule
(1) Combines with proton from water molecule
(2) Contains replaceable H+ ion
(3) Gives up a proton
(4) Accepts Om water releasing proton
The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron = 1.60 × 10–19 C)
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 ?