WAEC Chemistry 2010 Theory — Question 29

Question 29 of 46 from the West African Examinations Council (WAEC) Chemistry 2010 Theory paper, with the correct answer and a full explanation.

4b(ii) Draw the structures of the two isomers of the compound with the molecular formula C3H8O.

Model answer

(a) H-C(H)(H)-O-C(H)(H)(H) i.e. methoxymethane, CH3-O-CH3. (b) H-C(H)(H)-C(H)(H)-O-H i.e. ethanol, C2H5OH.

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