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Grade: 12th pass
        
If metal ions of group III are precipitated by NH base 4CI and NH base 24OH without prior oxidation by conc. HNO base 3 ……………… is
4 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
							Fe^3+; Without oxidation with HNO base 3, the
Fe^2+ ions present would not be converted into Fe^3+. So Fe(OH) base 2 will not be precipitated as its
solubility product is higher than that of Fe(OH) base 3 and as NH base 4CI
suppresses the ionization of NH base 4OH, this solubility product is not
reached
						
4 years ago
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