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Edexcel IGCSE Chemistry organic chemistry introduction

Practise organic-introduction questions by classifying formulae, drawing displayed structures and comparing combustion or bromine reactions.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • Distinguish hydrocarbons from oxygen-containing compounds using formulae or structures.
  • Complete tables for molecular, empirical, structural and displayed formulae.
  • Compare combustion or bromine reactions using observations and reaction type.

Covered syllabus points

4.1 Hydrocarbons4.2 Representing organic molecules4.3 Homologous series, functional groups and isomers4.4 IUPAC nomenclature4.5 Structures from molecular formulae4.6 Types of organic reaction

(a) Introduction question 1

[Maximum number: 2]

This question is about hydrocarbons.

State the meaning of the term hydrocarbon.

(a) Introduction question 2

[Maximum number: 1]

Crude oil is a mixture of hydrocarbons.

One of the alkanes in the gasoline fraction has the displayed formula

Figure for Question (a) Introduction question 2 — Edexcel IGCSE Chemistry

Determine the molecular formula of this alkane.

(a) Introduction question 3

[Maximum number: 5]

The table shows the structures of six organic compounds.

Table for Question (a) Introduction question 3 — Edexcel IGCSE Chemistry

Question (a)

(a)

Give the letter of a compound not shown as a displayed formula.

[ 1 ]

Question (b)

(b)

Name compound E.

[ 1 ]

Question (c)

(c)

Explain why compound A and compound D are isomers.

[ 2 ]

Question (d)

(d)

Compound F reacts with bromine in the presence of ultraviolet radiation.

[ 1 ]

Question (i)

(i)

Give the name of this type of reaction.

[ 1 ]
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