DP Chemistry (first assessment 2025)

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Question 23M.1A.SL.TZ2.16

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.16
Level SL Paper 1A Time zone TZ2
Command term Question number 16 Adapted from N/A
16.
[Maximum mark: 1]
23M.1A.SL.TZ2.16

Which of these changes involve an increase in entropy?


A. Cl (g) + e → Cl (g)        and       Li (g) → Li+ (g) + e

B. Li (s) → Li (g)                   and       Li+ (g) + Cl (g) → LiCl (s)

C. Cl (g) →12Cl2 (g)              and       Li (s) → Li (g)

D. 12Cl2 (g) → Cl (g)             and       Li (s) → Li (g)

[1]

Markscheme

D