DP Chemistry (first assessment 2025)

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Question SPM.1A.HL.TZ0.29

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.29
Level HL Paper 1A Time zone TZ0
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
SPM.1A.HL.TZ0.29

Which statement is correct about points X and Y on the energy profile diagram?


A.  X is a transition state and Y is an intermediate.

B.  X is an intermediate and Y is a transition state.

C.  X and Y are transition states.

D.  X and Y are intermediates.

[1]

Markscheme

C