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 Form 4 Chemistry Organic Chemistry II Questions and Answers

(a)Give the names of the following compounds
(i)CH3CH=CHCH2CH3
fig20201015.JPG
(b) Ethane and Ethene react with bromine according to the equation given below.
(i)C2H6(g) +Br2(g)C2H5Br2(g)+ HBr (g)
(ii) C2H4(g) +Br2(g) C2H4Br2(l)
Name the type of bromination reaction that takes place in: (i) and (ii).
(c)Study the diagram below and answer the questions that follow.
fig20201016.JPG
(i)Write the equation for the combustion of butane
(ii) The PH of substances K was found to be less than 7. Explain this observation.
(d) The polymerization of tetra flouroathene (C2F4) is similar to that of ethene (C2H4)
(i) What is meant by the term polymerization?
(ii) Draw the structural formula of a portion of the polymer obtained from the monomer C2F4
(e)State two advantages that synthetic polymers have over natural polymers.

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