logo

Cambridge IGCSE Combined Science practice

Paper 4 structured question: Terminology

Try the question first, then check the answer and practise the same topic again.

Attempt questionTerminology revisionRevise the key idea

At a glance

4

Paper

2

Marks

Topic

Terminology

Exam-style question

Try this first

Paper 4Theory (Extended)2 marks

Homologous series are important in organic chemistry.

Description

Homologous Series Characteristics

A homologous series consists of compounds that have similar chemical properties and a gradual change in physical properties. Each member differs from the next by a -CH2- unit.

  1. a

    Define the term 'homologous series'.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 4 structured question: Terminology

Paper 4Theory (Extended)4 marks

Description

Alkanes Overview

Alkanes are saturated hydrocarbons that form a homologous series. They have the general formula C_nH_(2n+2) and exhibit similar chemical properties.

  1. a

    Discuss the significance of the -CH2- unit in the homologous series of alkanes.

    Aim for approximately 4 distinct marking points.

    [4]