Question 28
Acids, Bases and SaltsWhat is the pH of an anhydride made from oxygen and non-metal when dissolved in water.
- A.pH > 7
- B.pH = 7
- C.it will not dissolve in water
- D.pH < 7
Show the answer and explanation
Answer: D (pH < 7)
Explanation
Non-metal oxides such as SO2 and CO2 are acid anhydrides; they dissolve to form acids, so the pH is below 7.