DP Chemistry (first assessment 2025)

Test builder »

Question 23M.1A.SL.TZ2.40

Select a Test
Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.40
Level SL Paper 1A Time zone TZ2
Command term Question number 40 Adapted from N/A
40.
[Maximum mark: 1]
23M.1A.SL.TZ2.40

The following graph shows the concentration of C4H9Cl versus time.


What is the average rate of reaction over the first 800 seconds?


A.  1 × 10−3 mol dm−3 s−1

B.  1 × 10−4 mol dm−3 s−1

C.  2 × 10−3 mol dm−3 s−1

D.  2 × 10−4 mol dm−3 s−1

[1]

Markscheme

B