Wednesday, May 2, 2012

Carbon Compounds - Alcohol (Structured)

Diagram 6 shows a flow chart of reactions involving ethanol, C2H5OH.
Based on the information in Diagram 6,
(a) State the general formula for the homologous series of ethanol. [1 mark]

(b) Oxidation of ethanol produces compound P.
(i) Name compound P [1 mark]

(ii) Describe one chemical test for compound P [2 mark]

(iii) Compound P reacts with substance Q in Reaction I to produce sodiun ethanoate and water. What is substance Q? [1 mark]

(c) The reaction between compound P and propanol produces propyl ethanoate in process II,
(i) Name process n. [1 mark]

(ii) State two physical properties of propyl ethanoate. [2 mark]

(iii) Draw a structural formula of propyl ethanoate. [1 mark]

(d) Explain the uses of ethanol in our daily life based on its physical properties. [1 mark]

[Perak Trial, Paper 2, 2011]


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