The acid anhydride that will produce weak acid in water i...
The acid anhydride that will produce weak acid in water is
SO3
NO2
SO2
CO2
Correct answer is D
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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