MCQ
Which will give $Fe^{3+}$ ions in solution ?
- A$[Fe(CN)_6]^{3-}$
- ✓$Fe_2(SO_4)_3$
- C$[Fe(CN)_6]^{4-}$
- D$(NH_4)_2SO_4. FeSO_4.6H_2O$
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$(A)$ It behaves as a weak acid in water due to self ionization.
$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.
$(C)$ It has a three dimensional structure due to hydrogen bonding.
$(D)$ It is weak electrolyte in water.