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" Which will not give test of "Fe^(3+)" ...

" Which will not give test of "Fe^(3+)" ions? "

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Which of the following will not give test for Fe^(3+) ions ?

Which will not give test of all the ions present in it?

Which will give Fe^(3+) ions in solution :

When crystals of CuSO_(4) are dissolved in water, there is hardly any evidence for the presence of Cu^(2+) ions or ammonia molecules. A new ion [Cu(NH_(3))_(4)]^(2+) is furnished in which ammonia molecules are directly linked with the metal ion . Similarly the aqueous solution of Fe(CN)_(2).4KCN does not give tests of Fe^(2+) and CN^(-) ions but gives test of a new ion, [Fe(CN)_(6)]^(4-) also called complex ions. Which one of the following statements is correct ?

When crystals of CuSO_(4) are dissolved in water, there is hardly any evidence for the presence of Cu^(2+) ions or ammonia molecules. A new ion [Cu(NH_(3))_(4)]^(2+) is furnished in which ammonia molecules are directly linked with the metal ion . Similarly the aqueous solution of Fe(CN)_(2).4KCN does not give tests of Fe^(2+) and CN^(-) ions but gives test of a new ion, [Fe(CN)_(6)]^(4-) also called complex ions. Predict the incorrect statements from the options given below :

When crystals of CuSO_(4) are dissolved in water, there is hardly any evidence for the presence of Cu^(2+) ions or ammonia molecules. A new ion [Cu(NH_(3))_(4)]^(2+) is furnished in which ammonia molecules are directly linked with the metal ion . Similarly the aqueous solution of Fe(CN)_(2).4KCN does not give tests of Fe^(2+) and CN^(-) ions but gives test of a new ion, [Fe(CN)_(6)]^(4-) also called complex ions. 15. The hybrid state of Cu[Cu(NH_(3))_(4)]^(2+) is