Analytical ChemistryHard
Question
Zn(OH)2↓ is soluble in :
Options
A.excess of sodium hydroxide
B.excess of ammonia solution
C.solutions of ammonium salts
D.all of these
Solution
(A) Zn(OH)2↓ + 2OH- ⇋ [Zn(OH)4]2-
(B) and (C) Zn(OH)2↓ + 4NH3 ⇋ [Zn(NH3)4]2+ + 2OH-
or NH4+
(B) and (C) Zn(OH)2↓ + 4NH3 ⇋ [Zn(NH3)4]2+ + 2OH-
or NH4+
Create a free account to view solution
View Solution FreeMore Analytical Chemistry Questions
An original solution of an inorganic salt in dilute HCl gives a brown colouration with potassium hexacyanidoferrate (III...Which of the following is/are correct for potassium ferrocyanide ?...Consider the following statements, S1 : precipitate of lead thiosulphate is soluble in excess sodium thiosulphate (Na2S2...Select the correct statement with respect to Ca2+ ions....A metal chloride original solution (i.e. O.S) on mixing with K2CrO4 solution gives a yellow precipitate soluble in aqueo...