Which of the following gases is the most soluble in water ?
Correct answer: A. NH3
- A. NH3
- B. CO2
- C. H2S
- D. CH4
Explanation
Ammonia is highly soluble in water because it reacts with water to form ammonium and hydroxide ions. CO2 and H2S are less soluble, while methane is only slightly soluble.
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