WAEC Chemistry 2011 Objective — Question 27

Question 27 of 50 from the West African Examinations Council (WAEC) Chemistry 2011 Objective paper, with the correct answer and a full explanation.

Which of the following equimolar solutions has the highest conductivity?

A. A. CH3COOH(aq)
B. B. H2CO3(aq)
C. C. H2SO4(aq)Correct
D. D. NaOH(aq)

Explanation

Of the given equimolar solutions (CH3COOH, H2CO3, H2SO4 and NaOH), H2SO4 has the highest conductivity, as it is a strong diprotic acid that ionizes fully to release more ions.

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