A) 5.0
B) 6.0
C) 8.0
D) 9.0
Correct Answer: D
Solution :
[d] Sodium acetate is a salt of strong base and weak acid. \[\therefore pH=7+\frac{1}{2}p{{K}_{a}}=\frac{1}{2}logc\] where \[p{{K}_{a}}=-\log {{K}_{a}}=-log{{10}^{-5}}=5\] \[logc=log{{10}^{-1}}=-1\] \[pH=7+\frac{5}{2}-\frac{1}{2}=9.0\]You need to login to perform this action.
You will be redirected in
3 sec