ph of an aqueous solution of NH4cl is
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Since, NH4Cl is a salt and it is formed from weak base NH4OH and strong acid HCl (via neutralization reaction)
NH4OH +HCl —-> NH4Cl
Now, since HCl is a strong acid it will dissociate completely as well as rapidly and gives H+ n Cl-
And NH4OH is a weak base, it will dissociate slowly.
So, at a particular time, H+ in the solution will be more as compared to NH4+ n OH-. Thus, solution will be acidic at that particular time.
Now if you want to know the pH value, you can use the following equation :
pH =0.5 {pKa -pKb -logC}
NH4OH +HCl —-> NH4Cl
Now, since HCl is a strong acid it will dissociate completely as well as rapidly and gives H+ n Cl-
And NH4OH is a weak base, it will dissociate slowly.
So, at a particular time, H+ in the solution will be more as compared to NH4+ n OH-. Thus, solution will be acidic at that particular time.
Now if you want to know the pH value, you can use the following equation :
pH =0.5 {pKa -pKb -logC}
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