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1990 WAEC Chemistry Theory Benzene contains six carbon atoms and six hydrogen atoms. (a)(i) Draw two stable structures of...

Chemistry
WAEC 1990

Benzene contains six carbon atoms and six hydrogen atoms.

(a)(i) Draw two stable structures of benzene to show how these atoms are arranged.

(ii) What is the concept behind these structures?

(b) Give (i) two uses of benzene. (ii) one industrial source of benzene.

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Explanation

(a)(i)

(ii) Resonance structure

(b)(i) Benzene can be used to make important chemicals such as disinfectant and perfumes.

(ii) Benzene can be obtained from coal tar, a destructive distillate of coal.


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free