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Summary Exam style Organic Chemistry Workbook for EDEXCEL international GCSE (9-1) students

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Course
Chemistry

Institution
11th Grade

The reinforcement worksheet is based on new specification and the topics homologous series, naming and formulae of basic concepts of organic chemistry are included . The chapter crude oil and cracking and fractional distillation of crude oil is added to the introduction because most of questions ar...

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Uploaded on September 15, 2024
Number of pages 57
Written in 2024/2025
Type Summary

fuel
alkane
alkene
carboxylic acid
polymers
polymerisation
naming organic compounds
alcohol
combustion
introduction to organic chemistry

Institution Secondary school
Education 11th Grade
Course Chemistry
School year 5

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Organic chemistry workbook for EDEXCEL International GCSE ( 9-1) studentds

The booklet is based on international GCSE specification
of organic chemistry. The chapter wise reinforcement
revision work book provide students enough practice to
understand basic concepts, common definitions , chemical
reactions and polymerisation.

Organic chemistry
The following sub-topics are covered in this section.

(A)Introduction

(B)Crude oil

(C)Alkanes

(D)Alkenes

(D)Alcohols

(F)Carboxylic acids

(G)Esters

(H )Synthetic polymers

, Organic chemistry workbook for EDEXCEL International GCSE ( 9-1) studentds

1. Introduction to organic chemistry
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.
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………
(ii) Draw three isomers of hexane and name them.

(b)
(I) Draw the displayed structures of but-1-ene and but-2-ene.

,Organic chemistry workbook for EDEXCEL International GCSE ( 9-1) studentds

(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.

…………………………..

3. (a) The saturated hydrocarbons form a homologous series with the general formula CnH2n
+ 2.
(i)What is meant by saturated hydrocarbons ?
…………………………………………………………………………………………
…………………………………………………………………………………………
………………………………………………………..

(ii) Name the homologous series described above.
…………………………………………………

, Organic chemistry workbook for EDEXCEL International GCSE ( 9-1) studentds

(iii) write the formula and name for a member of this series with four carbon atoms.
………………………………………………………………………………...

Alkene is a homologous series . Alkenes are unsaturated hydrocarbons.
(b) (I) What is meant by unsaturated?
…………………………………………………………………………………………
…………………………………………………………………………………………
………………………………………………………
(ii ) write the molecular formula of pentene

……………………………………………………………………………..
(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?
…………………………………………………………………………………………
…………………………………………………………………………………………
………………………………………………………...
(b) (i ) Which homologous series is ethanol part of?
………………………………………………………………………………
(ii) What is the general formula for the series?
………………………………………………………………………………
(iii )What does functional group mean?
…………………………………………………………………………………………
…………………………………………………………………...
(iv) What is the functional group in ethanol’s homologous series?
……………………………………………………………………………..
5 Which of the following organic chemicals are
alkanes , alkenes , alcohol and carboxylic acid ?
Propene, Butanol, Octane, Nonane, Methanoic acid, Butene,
Ethanol, Butanoic acid, Pentene , Methanol, Methane.

Alkanes:……………………………………………………………….

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