DP Chemistry (last assessment 2024)

Test builder »

Question 17N.1.hl.TZ0.19

Select a Test
Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.hl.TZ0.19
Level hl Paper 1 Time zone TZ0
Command term Question number 19 Adapted from N/A
19.
[Maximum mark: 1]
17N.1.hl.TZ0.19

The enthalpy change for the dissolution of NH4NO3 is +26 kJ mol–1 at 25 °C. Which statement about this reaction is correct?

A. The reaction is exothermic and the solubility decreases at higher temperature.

B. The reaction is exothermic and the solubility increases at higher temperature.

C. The reaction is endothermic and the solubility decreases at higher temperature.

D. The reaction is endothermic and the solubility increases at higher temperature.

[1]

Markscheme

D

Syllabus sections