DP Chemistry (last assessment 2024)

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Question 22N.1.hl.TZ0.15

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.1.hl.TZ0.15
Level hl Paper 1 Time zone TZ0
Command term State Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
22N.1.hl.TZ0.15

Which magnitudes of lattice enthalpy and hydration enthalpy of ions for an ionic substance would result in the most exothermic enthalpy of solution?


[1]

Markscheme

C

Examiners report

Less than half of the candidates could recognise which combination of lattice and hydration enthalpies would yield the most exothermic enthalpy of solution. The most favoured distractors indicate that many students considered that a large lattice enthalpy would produce this.

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