DP Chemistry (first assessment 2025)

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Question 19N.1A.SL.TZ0.26

Date	November 2019	Marks available	[Maximum mark: 1]	Reference code	19N.1A.SL.TZ0.26
Level	SL	Paper	1A	Time zone	TZ0
Command term	Apply	Question number	26	Adapted from	N/A

26.

[Maximum mark: 1]

19N.1A.SL.TZ0.26

What type of reaction occurs when C₆H₁₃Br becomes C₆H₁₃OH?

A. Nucleophilic substitution

B. Electrophilic substitution

C. Radical substitution

D. Addition

[1]

Markscheme

A

Syllabus sections

Reactivity 3. What are the mechanisms of chemical change? » Reactivity 3.4—Electron-pair sharing reactions » Reactivity 3.4.2—In a nucleophilic substitution reaction, a nucleophile donates an electron pair to form a new bond, as another bond breaks producing a leaving group. Deduce equations with descriptions and explanations of the movement of electron pairs in nucleophilic substitution reactions.