Equilibrium Question 331
In a mixture of a weak acid and its salt, the ratio of concentration of acid to salt is increased ten-fold. The $ pH $ of the solution decreases [KCET 1996]
Options:
A) Decreases by one
B) Increases by one-tenth
C) Increases by one
D) Increases ten-fold
Show Answer
Answer:
Correct Answer: A
Solution:
$ [{H^{+}}] $ = increased ten fold means pH of solution decreased by one. $ pH=-log\frac{1}{[{H^{+}}]} $
BETA
