A) sodium acetate
B) ammonium chloride
C) \[N{{a}_{2}}S{{O}_{4}}\]
D) \[FeC{{l}_{3}}\]
Correct Answer: C
Solution :
\[1M\] solution of \[N{{H}_{4}}Cl\] and \[FeC{{l}_{3}}\] is acidic \[(pH<7)\] \[1M\] solution of \[C{{H}_{3}}COONa\] is basic \[(pH<7)\]while \[1M\]-solution of \[N{{a}_{2}}S{{O}_{4}}\] is neutral \[(pH=7)\].
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