for each of the following, decide whether the pH at theequivilance piont, is gre

Question

for each of the following, decide whether the pH at theequivilance piont, is greater than, less than or equal to 7. Ineach case, identify the equlibrium that determines the pH. a. NaClO(aq)titrated with HCl(aq) b. HNO3(aq) titrated with KOH(aq) c. NH4Cl(aq) titrated withNaOH(aq) for each of the following, decide whether the pH at theequivilance piont, is greater than, less than or equal to 7. Ineach case, identify the equlibrium that determines the pH. a. NaClO(aq)titrated with HCl(aq) b. HNO3(aq) titrated with KOH(aq) c. NH4Cl(aq) titrated withNaOH(aq) c. NH4Cl(aq) titrated withNaOH(aq)

Explanation / Answer

We Know that :      a )   NaClO (aq.) + HCl (aq.)   --------> NaCl +   HClO            The NaCl is Stable salt along with the salt it also formsHypochlorus acid so the solution has pH less than 7.     b)          HNO3 (aq.) + KOH(aq.)   --------->  KNO3 + H2O          The aboveReaction is a Neutralization Reaction so the pH of the solution is7.      c)          NH4Cl (aq.)   + NaOH (aq.) --------->   NaCl +  NH4OH        The above reactionforms NaCl which is a stable salt along with formationof NH4OH which is basic in nature        So the mixture isslightly basic in Nature. So the pH of the solution isgreater than 7.

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