Question

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1. pH of pure water is neutral , the best explanation for this is
A. The pH of pure water is 7. B. In pure water the concentration of H and OH are same.
C. Water do not contain free H and OH ions. D.Water will never ionize.​

Answer 1

Option A. will be best explanation

Answer 2

The correct answer is option (B.) In pure water the concentration of H and OH are same.

• pH is a measure of how acidic/basic water is.
• In the case of pure water, there are always the same concentration of hydrogen ions and hydroxide ions and hence, the water is still neutral (pH = pOH) - even if its pH changes.
• Pure water has a pH of 7 and is considered “neutral” because it has neither acidic nor basic qualities.