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The acid anhydride that will produce weak acid in water is

The acid anhydride that will produce weak acid in water is
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  • A SO3
  • B NO2
  • C SO2
  • D CO2
Correct Answer: Option D
Explanation:
H2CO3 is an example of a weak acid while H2SO4 and HNO3 are examples of a strong acid.
CO2 combines with water to give a weak trioxocarbonate (IV) acid.
CO2 + H2O → H2CO3

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