(4ai) C2H6+7/2 O2 -> 2CO2 + 3H2O 2C2H6+7 O2 -> - TopicsExpress

(4ai) C2H6+7/2 O2 -> 2CO2 + 3H2O 2C2H6+7 O2 -> 4CO2+6H2O C2H4+3O2->2CO2+2H2O C2H2+5/2 O2 -> 2CO2+H2O 2C2H2+5O2-> 4CO2+2H2O (4aii) - C2H6 contributes to green house effect because it is produced by decomposition of matter. - C2H4 contributes to green house effect because it is unsaturated and produce smoky flame. - C2H2 also produce smoky flame (4aiii) C2H6 is economical because it is saturated (4b) (i) Ethanoic acid (ii) Chloroethane (iii) Propylhydrogentetraoxosulphate(iv) (4c) i. Hydrolysis is the addition of water molecules to a substance ii. Hydration is the removal of water molecules from a substance iii. Functional group is an ions, atoms, or a group of atoms or radicals that determine the chemical properties of a substance (4d) CH3CH2CH3 < CH3CH2CH2CH2OH < CH3CH2OH This is because alkanols naturally are soluble in water and their solubility decreases as the number of carbon atom increases

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