(a) why are soaps not considered as effective cleansing agents? (b) write any two structural isomers of pentane. (c5h12) and state their names. 21 (a) what is esterification? Give one example. (b) what happens when ethanol is heated at 443 k with conc. H2so4? (c) differentiate between addition reactions and substitution reactions shown by hydrocarbons.
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a) Soaps are not considered as effective cleansing agent because it is glyceride salt of soft metal like sodium which works in neutral and alkaline medium but in acidic medium get neutralized to form scum or ppt.
b) iso pentane also called methyl butane
neo pentane or 2-dimethylpropane
b) iso pentane also called methyl butane
neo pentane or 2-dimethylpropane
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