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03/10/2021 8:35 pm
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(a) Define a homologous series. Give the name and structural formula of one homologue of the following :
CH3OH
(b) Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnH2n+1OH.
(c) Name any two fossil fuels.
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03/10/2021 8:41 pm
(a) A homologous series is a group of organic compounds having similar structures and similar chemical properties in which that successive compounds differ by CH2 group.
Ethyl alcohol: C2H5OH
\(H-\overset{H}{\overset{|}{\underset{H}{\underset{|}{C}}}}-\overset{H}{\overset{|}{\underset{H}{\underset{|}{C}}}}-OH\)
(b) C3H7OH
(c) Coal and petroleum