Post-UTME Chemistry 2015 Objective — Question 2
Question 2 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2015 Objective paper, with the correct answer and a full explanation.
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The following gases decolourize bromine water except
- A. C2H6Correct
- B. C2H4
- C. C2H2
- D. C3H6
Explanation
C2H6 (ethane) is a saturated alkane and does not decolourize bromine water; the others are unsaturated and do. (No printed answer key for this session; answer worked out independently.)
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