Page 38 - Ranger SPM 2022 Chemistry

Chemistry SPM Chapter 2 Carbon Compound
What is the name of the alcohol and (c) The reaction between liquid
carboxylic acid that form the ester in CH COOH and propanol produces
3
Diagram 3? compound R.
(i) Draw the structural formula of
Carboxylic compound R.
(i) Name the process that Bhd. All Rights Reserved.
Alcohol
acid [1 mark]
A Butanol Ethanoic acid (ii) Name compound R according
B Butanol Butanoic acid to IUPAC nomenclature.
[1 mark]
C Ethanol Ethanoic acid
D Ethanol Butanoic acid
Section B
Subjective Questions 2. (a) Compound X is a hydrocarbon. The
molecular formula of compound X
Section A is C H .
8
5
(i) Draw the structural formula for
1. (a) Diagram 4 shows the conversion the three isomers of X. State
of glucose to ethanoic acid.
the name of the isomers.
acidified [6 marks]
potassium
dicromate(VI) (ii) Compound X undergoes
+ yeast Compound solution
Glucose CH COOH complete combustion to form
Q 3 carbon dioxide gas and water.
Diagram 4 Write a balanced chemical
Penerbitan Pelangi Sdn
equation for the reaction.
produces compound Q. Calculate the volume of carbon
[1 mark] dioxide gas at room conditions
(ii) Write a chemical equation for when 17.0 g of compound X
the formation of compound burns completely.
Q. [2 marks] [Relative atomic mass: H = 1;
(iii) Name compound Q. C = 12, 1 mole of gas occupies
3
[1 mark] a volume of 24 dm at room
temperature.]
(b) Compound Q is heated with [6 marks]
acidified potassium dichromate(VI) Form 5
solution to form liquid CH COOH. (b) Propyne is a hydrocarbon. A few
3
(i) Write a balanced chemical drops of bromine water are added
equation to show the into 2.0 g of propyne to form
conversion of compound Q to compound P.
liquid CH COOH. (i) Write a balanced chemical
3
[2 marks] equation for the reaction
(ii) State the colour change. between propyne and bromine
[1 mark] water.
[2 marks]
(iii) Give one daily use of liquid
CH COOH. (ii) Name the reaction between
3
[1 mark] propyne and bromine water.
[1 mark]

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02.5 RANGER SPM CHEMISTRY 2P.indd 167 29/03/2022 2:28 PM