Multiple choice

Water is neither acidic nor alkaline because ____.

  1. it cannot accept or donate protons

  2. it boils at high temperature

  3. it can dissociate into equal number of hydrogen ions

  4. it cannot donate or accept electrons
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pure water undergoes self-ionization: H2O ⇌ H+ + OH-. At 25°C, the concentrations of H+ and OH- are equal (10^-7 M each), resulting in neutral pH. This balanced dissociation makes water neither acidic nor alkaline.

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