Page 39 - Ranger SPM 2022 Chemistry

Chemistry SPM Chapter 2 Carbon Compound
(iii) State the colour change for (i) Identify P, Q, R and S.
bromine water. [4 marks]
[1 mark]
(ii) Name the catalyst used in
(iv) Draw and name the compound esterification. Then, write a
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P formed. balanced chemical equation
[2 marks] for the esterification.
(v) What is the mass of compound [3 marks]
P?
3
[Relative atomic mass: H = 1; (c) 10 cm of compound Q is then
C = 12, Br = 80] added into a boiling tube followed
3
[4 marks] by 2 cm of acidified potassium
dichromate(VI) solution. The
mixture solution is then heated
Section C until a colour change is observed.
(i) Name the conversion process
3. Alkene is an unsaturated hydrocarbon that occurs. State the colour
with the general formula of C H . change observed.
n
2n
(a) (i) State the operational definition [2 marks]
for unsaturated hydrocarbon
when n = 4. (ii) A cleaned magnesium tape
[2 marks] is placed into the boiling
tube. Colourless bubbles are
(ii) Draw and name all the isomers observed. Name the colourless
of alkene with n = 4.
[6 marks] bubbles formed. Then, write a
balanced chemical equation for
the chemical reaction.
(b) Compound P undergoes hydration
to produce compound Q. Compound [3 marks]
Q is then heated under reflux with
ethanoic acid through process S
to produce ester R.

Form 5

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02.5 RANGER SPM CHEMISTRY 2P.indd 168 29/03/2022 2:28 PM