DP Chemistry (last assessment 2024)

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Question 23M.1.HL.TZ1.20

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1.HL.TZ1.20
Level HL Paper 1 Time zone TZ1
Command term Question number 20 Adapted from N/A
20.
[Maximum mark: 1]
23M.1.HL.TZ1.20

What is the order of reaction with respect to A, given the following reaction mechanism?

A + B → AB      fast

AB + A → A2B   slow

A2B → A2 + B   fast


A.  0

B.  1

C.  2

D.  3

[1]

Markscheme

C