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JAMB Chemistry 2020 Objective — Question 23

Question 23 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2020 Objective paper, with the correct answer and a full explanation.

23. Which of the following is an acid anhydride?

A. A. H2SO4
B. B. KOH
C. C. SO2Correct
D. D. N2O

Explanation

SO2 is an acid anhydride: SO2 + H2O -> H2SO3 (sulphurous acid).

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