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General Science • ChemistryEasy

What is the pH range of a neutral aqueous solution at 298 K?

A. Less than 7
B. Exactly 7✓ Correct Answer
C. Greater than 7
D. 0 to 14

💡 Solution & Explanation

At standard temperature of 298 K, a neutral aqueous solution maintains an equal concentration of hydrogen and hydroxide ions, resulting in a pH value of exactly 7. Acidic solutions record a pH below 7, while basic or alkaline solutions register above 7 on the logarithmic scale. Water autoionization constant determines this neutral threshold under standard laboratory conditions.

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