Out of the following, amphiprotic species are
I. HPO32-
II. OH-
III. H2PO4-
IV. HCO3-
1 c.c. of 0.1N HCl is added to 99 CC solution of NaCl. The pH of the resulting solution will be
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The pH of an aqueous solution of 1.0 M solution of a weak monoprotic acid which is 1% ionised is:
What is the percentage hydrolysis of NaCN in N/80 solution when the dissociation constant for HCN is 1.3 × 10-9 and Kw = 1.0 × 10-14
The ≈ pH of the neutralisation point of 0.1 N ammonium hydroxide with 0.1 N HCl is
A solution with pH 2.0 is more acidic than the one with pH 6.0 by a factor of :
What volume of 0.2 M NH4Cl solution should be added to 100 ml of 0.1 M NH4OH solution to produce a buffer solution of pH = 8.7 ?
Given : pKb of NH4OH = 4.7 ; log 2 = 0.3
The pKa of a weak acid, HA, is 4.80. The pKb of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be:
Which of the following in most soluble in water ?
pH of saturated solution of silver salt of monobasic acid HA is found to be 9.
Find the Ksp of sparingly soluble salt Ag A(s).
Given : Ka(HA) = 10-10