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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