Start learning →

Who defined pH in 1909?

AHenderson
BOstwald
CHasselbalch
DSorensen
Answer & Solution
Correct answer: D. Sorensen
Sorensen introduced the pH scale in 1909 as the negative logarithm of hydrogen ion concentration.
Practise this question with Quill — MHT-CET →

Keep practising Ionic Equilibria

Browse all Ionic Equilibria questions for MHT-CET, or explore more Chemistry topics.

Start a Ionic Equilibria lesson →
Related questions