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Which of the following is the relation between hydrogen and hydroxyl ion concentration of pure water?

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in Analytical Instrumentation by (131k points)
Which of the following is the relation between hydrogen and hydroxyl ion concentration of pure water?

(a) Value of hydrogen ion concentration is greater

(b) Value of hydroxyl ion concentration is greater

(c) They are both always the same

(d) The concentrations keep changing

The question was posed to me in exam.

The question is from pH Measurement and Types in division pH Meters and Ion Analysers of Analytical Instrumentation

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The correct answer is (c) They are both always the same

Best explanation: In water, the value of hydrogen and hydroxyl ion concentrations are the same. It can be represented as [H+]=[OH-].

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