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1988 WAEC Chemistry Theory  (a) Give one example of; (i) heavy chemicals (ii) fine chemicals (b) Write the structural...

Chemistry
WAEC 1988

 (a) Give one example of;

(i) heavy chemicals

(ii) fine chemicals

(b) Write the structural formulae and the names of compounds having the formula CH\(_4\)CI,

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Explanation

(a)(i) An example of heavy chemical is tetraoxosulphate(VI) acid (H\(_2\)SO\(_4\)). It is said to be heavy because. it is essential in almost all branches of industry.

(ii) Fine chemicals are manufactured for specific industrial and domestic purposes and are of high purity and expensive e.g. Additives for fuels.

(b)(i)

Molecular formula

Structural formulae

Names


C\(_2\)H\(_4\)Cl\(_2\)

CICH\(_2\)CH\(_2\)Cl

CH\(_3\)CHCl\(_2\)

1,2-dichloroethane

1,1-dichloroethane






 

 


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