MCQ
Which of the following aqueous solution will have a $pH$ less than $ 7.0$
- A$KN{O_3}$
- B$NaOH$
- ✓$FeC{l_3}$
- D$NaCN$
✓
Answer
Correct option: C.
$FeC{l_3}$
(c) $F{e^{3 + }}$ ions are hydrolysed to develop acidic nature.
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