MCQ
The $ pH $ is less than $7$ , of the solution of
- ✓$FeC{l_3}$
- B$NaCN$
- C$NaOH$
- D$NaCl$
✓
Answer
Correct option: A.
$FeC{l_3}$
(a)$FeC{l_3} + 3{H_2}O⇌Fe{(OH)_3} + 3HCl$. Strong acid have less than $ 7\, pH.$
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