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c as NH3 completely breaks down into its ions, i.e. N^+3 nd H^+1. so its a strong base. bt NH4Cl is a weak acid. as it partially breaks down into its ions, i.e., NH^-3 nd Cl^-1. so NH3 has more pH value than NH4Cl. therefore if we add NH4Cl in NH3. d final pH will b/w that of NH3 nd NH4Cl. which is less than NH3. therefore the pH will decrease

2007-04-17 04:55:45 · answer #1 · answered by $#Romeo Boy#$ 2 · 0 1

Ammonia is a especially reliable base-extreme pH, mutually as Ammonium Chloride is a salt. i might say that the pH might cut back. you will get some NH4Cl molecules changing to NH3 and HCl. The HCl is Hydrochloric Acid, which might cut back the pH of the NH3 answer.

2016-12-26 11:15:11 · answer #2 · answered by dunton 3 · 0 0

Consider the equation NH3 + H2O <-----> (NH4)+ + OH-

Now add some ammonium ions. These will react with some of the OH- ions, as the equilibrium tries to lower the concentration of (NH4)+. Thus the pH will go down.

2007-04-17 04:09:54 · answer #3 · answered by Gervald F 7 · 0 0

NH3 + H2O <--------> (NH4)+ + (OH)-
On adding NH4Cl
NH4Cl <-----> (NH4)+ + (Cl)-
This will reduce the concentration of (OH)- ions due to more no. of ions and the pH is reduced.

2007-04-17 20:14:13 · answer #4 · answered by Anonymous · 0 0

decrease

2007-04-21 01:50:25 · answer #5 · answered by PARI 1 · 0 0

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