Edexcel A-Level Chemistry A2 12.13 Construct Born Haber Cycles and Carry Out Related Calculations Questions

Review A-Level Edexcel Chemistry Born-Haber cycles through cycle completion, species labels, enthalpy calculations and sign checks.

Exam points

complete Born-Haber cycles with species, state symbols, electrons and arrow labels
calculate formation enthalpy, ionisation energy or electron affinity from cycles
avoid sign and multiplier errors for atomisation and electron-affinity terms

[Maximum number: 5]

This question is about oxides of iron.

(a)

Iron also forms iron(II) oxide. The data in the table can be used to construct a Born-Haber cycle for iron(II) oxide, FeO.

Table for Question (a) — Edexcel A-Level Chemistry A2

[ 5 ]

(i)

Complete the Born-Haber cycle by putting letters in the boxes to label the energy changes.

Figure for Question (i) — Edexcel A-Level Chemistry A2

[ 3 ]

(ii)

Calculate the value for second ionisation energy of iron, C.

[ 2 ]

correct expression

- correct calculation

Example of calculation
-759-416-272+3920-798+141-249 $=(+) 1567\left(\mathrm{~kJ} \mathrm{~mol}^{-1}\right)$
Allow 3SF
Correct answer with or without working scores 2
marks
Allow 1 mark for one mistake

All question bank results loaded

Edexcel A-Level Chemistry A2 12.13 Construct Born Haber Cycles and Carry Out Related Calculations Questions question 1

Question (a)

Question (i)

Question (ii)