SolutionHard
Question
Aqueous solution of mixture of Ni2+, Ag+, Pb2+, Ca2+, and Al3+ is treated with dil.HCl and H2S, ppt.obtained is removed by filtration and resulting solution is treated with excess NaOH and again filtered. Filtrate contain -
Options
A.[Pb(OH)2]2-, [Al(OH)4]- and Ca2+
B.[Al(OH)4]- and Ca2+
C.[Al(OH)4]-, Ni2+ and Ca2+
D.[Pb(OH)4]2- and [Al(OH)4]-
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