DP Chemistry (first assessment 2025)
Question 22N.1A.SL.TZ0.27
Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.1A.SL.TZ0.27 |
Level | SL | Paper | 1A | Time zone | TZ0 |
Command term | State | Question number | 27 | Adapted from | N/A |
27.
[Maximum mark: 1]
22N.1A.SL.TZ0.27
What are nucleophiles most likely to react with?
A. Alkenes
B. Alcohol
C. Alkanes
D. Halogenoalkanes
[1]
Markscheme
D
Examiners report
45% of the candidates knew that nucleophiles were most likely to react with halogenoalkanes. The distractors were chosen with almost equal frequency.
Syllabus sections
Reactivity 3. What are the mechanisms of chemical change? » Reactivity 3.4—Electron-pair sharing reactions » Reactivity 3.4.6—A Lewis acid is an electron-pair acceptor and a Lewis base is an electron-pair donor. Apply Lewis acid–base theory to inorganic and organic chemistry to identify the role of the reacting species.