JAMB - Chemistry (2017 - No. 7)
The acid anhydride that will produce weak acid in water is
SO3
NO2
SO2
CO2
Vysvětlení
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
CO2 combines with water to give a weak trioxocarbonate (IV) acid.
CO2 + H2O → H2CO3