Is a salt that forms acidic aqueous solutions:

S O_{2}

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B a (O H)_{2}

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K C l

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F e (N O_{3})_{3}

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L i C_{2} H_{3} O_{2}

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Solution

The correct option is C $F e (N O_{3})_{3}$
$F e {(N O_{3})}_{3}$ is formed from two ions. ${F e}^{+}$ is the cation obtained from a weak base $F e {(O H)}_{3}$ . While, ${(N O_{3})}_{3}^{-}$ is an anion obtained from a very strong acid, $H N O_{3}$ . Thus the aqueous solution of $F e {(N O_{3})}_{3}$ will be acidic in nature.

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