Presence of `Fe^(3+)` ions in `FeSO_4` can be checked withA. Blue litmus paperB. red litmus paperC. KCNS solutionD. None of these

Presence of `Fe^(3+)` ions in `FeSO_4` can be checked withA. Blue litm

1.	Presence of `Fe^(3+)` ions in `FeSO_4` can be checked withA. Blue litmus paperB. red litmus paperC. KCNS solutionD. None of these
Answer» Only `Fe^(3+)` ions give blood red colouration with `CNS^(-)` ions. `Fe^(3+) +3CNS^(-) to underset("Blood red colouration")(Fe(CNS)_(3))`

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Presence of `Fe^(3+)` ions in `FeSO_4` can be checked withA. Blue litmus paperB. red litmus paperC. KCNS solutionD. None of these

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