The pH of a solution is defined as the negative logarithm to base:
A20
B30
C40
D10
Answer & Solution
Correct answer: D. 10
1. The scale compresses a wide range of concentrations.
2. pH is the negative logarithm to base 10 of the hydrogen ion activity.
3. So the correct answer is 10.
_Source: NCERT Class 11 Chemistry, Ch 7 'Equilibrium'_
Related questions
Acetic acid together with sodium acetate acts as a:Suppressing ionisation by adding an ion already present is the:A NaOH solution with a hydronium concentration of 10 to the minus 10 M has a pH of:A solution with a hydrogen ion concentration of 10 to the minus 7 M has a pH of:The pH scale is:Thomas M. Lowry was a chemist from:A Bronsted-Lowry acid is a substance capable of donating:The bare hydrogen ion binds to a water molecule at its: