Post-UTME Chemistry 2016 Objective — Question 1
Question 1 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2016 Objective paper, with the correct answer and a full explanation.
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The correct decreasing order of conductivity for the compounds below is
- A. HNO3 > CH3COOH > C2H5OHCorrect
- B. CH3COOH > HNO3 > C2H5OH
- C. C2H5OH > HNO3 > CH3COOH
- D. CH3COOH > C2H5OH > HNO3
Explanation
HNO3 (strong acid, fully ionised) conducts best, CH3COOH (weak acid, partially ionised) conducts less, and C2H5OH (non-electrolyte) conducts least.
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