DP Chemistry (last assessment 2024)

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Question 21M.1.hl.TZ1.16

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.hl.TZ1.16
Level hl Paper 1 Time zone TZ1
Command term Solve Question number 16 Adapted from N/A
16.
[Maximum mark: 1]
21M.1.hl.TZ1.16

The table shows the variation of standard Gibbs energy with temperature for a reversible reaction.

G=H-TS

G=-RTlnK

What can be concluded about the reaction?

A.  Equilibrium shifts left as temperature increases.

B.  The forward reaction is more spontaneous below 300 K.

C.  Entropy is higher in the products than in the reactants.

D.  Kc decreases as temperature increases.

[1]

Markscheme

C