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1992 WAEC Chemistry Theory (a) Name: (i) one structural isomer of glucose. (ii) the process by which starch is...

Chemistry
WAEC 1992

(a) Name: (i) one structural isomer of glucose.

(ii) the process by which starch is converted to glucose.

(b) The open-chain structure of glucose is shown below.

(a) State the functional groups present in the structure.

(ii) Which of the functional groups would react with warm Fehling's solution?

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Explanation

(a)(i) Fructose

(ii) Starch is converted to glucose by enzymatic hydrolysis of the starch.

(b)(i) Carbonyl group and the alkanol functional group

(ii) It is the alkanol group that reacts with warm Fehling's solution.


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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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