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CAIE IGCSE Chemistry 11.4 Alkanes Question Bank

Practise recognising alkane bonding, combustion products and chlorine substitution reactions under ultraviolet light.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • identify alkanes from formulae or names by single covalent bonding
  • state carbon dioxide and water as products of complete combustion
  • link chlorine substitution to ultraviolet light and replacement of H by Cl

Covered syllabus points

11.4.1—Bonding in alkanes is single covalent11.4.2—Properties of alkanes as being11.4.3—In a substitution reaction one atom or11.4.4—Substitution reaction of alkanes with

11.4 Alkanes question 1

[Maximum number: 1]

Five organic compounds have the following structures.
A
C
C
A
,

Figure for Question 11.4 Alkanes question 1 — CAIE IGCSE Chemistry

B
B

Figure for Question 11.4 Alkanes question 1 — CAIE IGCSE Chemistry
Figure for Question 11.4 Alkanes question 1 — CAIE IGCSE Chemistry
Figure for Question 11.4 Alkanes question 1 — CAIE IGCSE Chemistry

D

Figure for Question 11.4 Alkanes question 1 — CAIE IGCSE Chemistry

E

Figure for Question 11.4 Alkanes question 1 — CAIE IGCSE Chemistry

Which compound is a saturated hydrocarbon?

11.4 Alkanes question 2

[Maximum number: 2]

Petroleum is a useful natural resource.

The diagram shows how petroleum can be separated into useful substances.

Figure for Question 11.4 Alkanes question 2 — CAIE IGCSE Chemistry

Refinery gas is a mixture of hydrocarbons.

One refinery gas is butane, C4H10\mathrm{C}_{4} \mathrm{H}_{10}.

Write the chemical equation for the complete combustion of butane.

11.4 Alkanes question 3

[Maximum number: 4]

The table shows the structures of four hydrocarbons.

Table for Question 11.4 Alkanes question 3 — CAIE IGCSE Chemistry

Question (a)

(a)

Compound P undergoes a substitution reaction with chlorine.

[ 4 ]

Question (i)

(i)

What is meant by the term substitution reaction?

[ 1 ]

Question (ii)

(ii)

State a condition required for this reaction to occur.

[ 1 ]

Question (iii)

(iii)

Write a chemical equation for this reaction.

[ 2 ]
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