JEE Main Chemistry question

ChemistryEquilibriumJEE Main

In a mixture of acetic acid and sodium acetate, the ratio of concentration of the salt to the acid is increased ten times. Then, the pH of the solution [AMU 2006]

Answer: (A)

Solution

pH=pK_a+\log([salt]/[acid]). Increasing the ratio tenfold adds to the pH, i.e. pH increases by one unit.

Question ID VK-135717