Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
If pKa of acetic acid and pKb of ammonium hydroxide are 4.76 each. The pH of ammonium acetate is
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. If $pK_a$ of acetic acid and $pK_b$ of ammonium hydroxide are $4.76$ each. The $pH$ of ammonium acetate is
JIPMER
JIPMER 2015
Equilibrium
A
7
33%
B
less than 7
29%
C
more than 7
31%
D
zero.
7%
Solution:
pH of a salt of weak acid and weak base is
$pH = 7 +\frac{1}{2}p K_{a}-\frac{1}{2}pK_{b}$
$pH = 7 + \frac{1}{2} \times 4.76 - \frac{1}{2} \times 4.76$