(a) List two products obtained when crude oil is refined (b)(i) What is the general formula for alkanols? (ii) State the type of reaction involved in the co...

Assessment: WAEC SSCE - Chemistry - 1997 (Essay) Subject: Chemistry

Question 1 Report

(a) List two products obtained when crude oil is refined

(b)(i) What is the general formula for alkanols?

(ii) State the type of reaction involved in the conversion of ethanol to ethanoic acid

(iii) Write an equation to show how ethanoic acid reacts with sodium trioxocarbonate (IV).

Answer Details

(a) Two products from refining crude oil: petrol (gasoline) and kerosene (also diesel, bitumen, lubricating oil).

(b)(i) General formula for alkanols: CnH2n+1OH.

(ii) Converting ethanol to ethanoic acid is an oxidation reaction.

(iii) Ethanoic acid with sodium trioxocarbonate(IV):

2CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2

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