Which one of the following statements is NOT correct?

  1. A. A scale measuring hydrogen ion concentration in a solution is called pH scale
  2. B. The higher the hydrogen ion concentration in a solution, higher is its pH
  3. C. We can measure pH generally from 0 to 14 on a pH scale
  4. D. The 'p' in pH stands for 'potenz' in German meaning power

Correct Answer: B. The higher the hydrogen ion concentration in a solution, higher is its pH

Explanation

pH is defined as the negative logarithm of the hydrogen ion concentration. Therefore, a higher hydrogen ion concentration translates to a lower pH value.

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