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The equation 2K + 2H₂O → 2KOH + H₂ shows potassium reacting with:

The equation 2K + 2H₂O → 2KOH + H₂ shows potassium reacting with:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Oxygen
  • B Chlorine
  • C Water
  • D Sulphuric acid
Correct Answer: Option C
Explanation:
Potassium reacts vigorously with water to form potassium hydroxide and hydrogen gas. Alkali metals are highly reactive with water.

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