Methane is obtained when a powdered mixture of anhydrous sodium ethanoate and soda-lime is heated...
CHEMISTRY
WAEC 1991
Methane is obtained when a powdered mixture of anhydrous sodium ethanoate and soda-lime is heated in a hard glass test tube.
(a) Write an equation for the reaction.
b) Explain briefly why soda-lime is preferred to sodium hydroxide for the preparation.
Explanation
(a) CH\(_3\)COONa\(_{(s)}\) + NaOH\(_{(S)}\) ----> Na\(_2\)CO\(_{3(S)}\) + CH\(_{4(g)}\)
(soda lime)
(b) Sodalime is simply the iron deliquescent form of sodium hydroxide and this is necessary to keep the medium of reaction dry.
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