1). 0stwald's dilution law is applicable to
2). To which of the following, Ostwald's dilution law is applicable?
3).The degree of ionization of a compound depends upon.
4). The acid with maximum strength has pKa value equal to
5). Out of the following, the compound whose water solution has the highest pH is
6).The value of ionic product of water at 393 K is
7). If ionic product of water is 10-14,what is H+ ion concentration of 0.1 M NaOH solution?
8). If a 0.1M solution of HCN is 0.01% ionized, the ionization constant for HCN is
9). At 900C, pure water has [H3O+] = 10-6 moles/ litre. The value of Kw at 900C is
10). The dissolution constant of a weak acid is 1x 10-5,the equilibrium constant for the reaction with strong base is
11). In the hydrolysis of salt of weak acid and weak base, the hydrolysis constant kh is equal to
12). pH is defined by the expression
14). An aqueous solution whose pH is Zero is
15). In solution, the hydrogen ion exists as
16). pH of 10-10 molar HCl solution is approximately
17). pH of 10M solution of HCl if
18). The pH of normal KOH is
19). The pH of the solution produced when an aqueous solution of pH 5 is mixed with an equal volume of aqueous solution of pH 3 is
20). If acid to salt concentration is increased 10 times, pH
21). The pH of a solution obtained by dissolving 0.4 gm of solid NaOH in one litre of water will be
22). The POH of a solution is 6, its pH will be
23). The hydroxyl ion concentration in a solution having pH value 3 will be
24). An aqueous solution of FeCl3 is acidic due to
25). Aqueous solution of sodium acetate is
26). Which one of the following is acid salt?
26). Which one of the following is acid salt?
27).Which of the following salt undergoes hydrolysis?
28). Buffer solution is prepared from
30). Which is a buffer solution?
Calculate the number of H+ ion present in 1ml of solution having PH = 13
