The aqeous solutions of HCOONa, C(6)H(5)...

The aqeous solutions of `HCOONa, C_(6)H_(5)NH_(3)CI`, and KCN are, respectively,

acidic, acidic, basic

acidic, basic, neutral

basic, neutral, neutral

basic, acidic, basic

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The correct Answer is:

HCOONa is the salt of weak acid (HCOOH) and strong base (NaOH). Due to hydrolysis, its aqueous solution is basic. `C_(6)H_(5)NH_(3)Cl` is the salt of weak base `(C_(6)H_(5)NH_(2))`, aniline) and strong acid (HCI). Due to hydrolysis, its aqueous solution is acidic. KCN is the salt of strong base (KOH) and weak acid (HCN). Due to hydrolysis, its aqueous solution is basic.

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