Summary Organic chemistry workbook for Cambridge IGCSE students
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Course
Chemistry
Institution
11th Grade
The workbook provides the exam style reinforcement worksheets based on new specification . Students are provided enough practice questions on fuel, alkane, alkene, alcohol, carboxylic acid, esters and polymerisation .
1. Formulae, functional groups, naming and
terminology
1 Alkanes are hydrocarbons which contain hydrogen and carbon only.
( a) Name and draw the structures of unbranched alkanes and alkenes containing up to four
carbon atoms per molecule.
(b) Alkane, alkene, alcohol and carboxylic acid are known as organic homologous series.
Describe 3 general characteristics of homologous series.
1………………………………………………………………...
2…………………………………………………………………
3…………………………………………………………………...
2 (a) Organic compounds show isomerism. They can be drawn in displayed formulae.
(I) Define the term isomer.
……………………………………………………………………………………………
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(ii) Draw three isomers of hexane and name them.
(b) (I) Draw the displayed structures of but-1-ene and but-2-ene.
, Cambridge IGCSE Chemistry (0620)
(ii) Draw the structures of the two isomers having the
formula C4H10.
(iii) Draw two isomers of an alkane with five carbon
atoms and name them.
(iv) Draw the structure of 1,2-dibromoethane.
(v) Write the structural formula for the following alkane.
…………………………..
(a) The saturated hydrocarbons form a homologous series with the general
3. formula CnH2n + 2.
(i)What is meant by saturated hydrocarbons ?
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(ii) Name the homologous series described above.
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(iii) write the formula and name for a member of this series with four carbon atoms.
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Alkene is a homologous series . Alkenes are unsaturated hydrocarbons.
, Cambridge IGCSE Chemistry (0620)
(I) What is meant by unsaturated?
(b) ……………………………………………………………………………………………
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ii ) write the molecular formula of pentene
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(iii) Draw the displayed structure of two isomers of pentene and name them.
(iv) The molecular formula of Hexene is C6H12. Write the structural formula of hexene.
4
a) Ethanol is a member of a homologous series.
what is meant by homologous series?
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(b) (i ) Which homologous series is ethanol part of?
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(ii) What is the general formula for the series?
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(iii )What does functional group mean?
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(iv) What is the functional group in ethanol’s homologous series?
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5
Which of the following organic chemicals are
alkanes , alkenes , alcohol and carboxylic acid ?
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