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Question 19N.2.hl.TZ0.3b(ii)

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.2.hl.TZ0.3b(ii)
Level hl Paper 2 Time zone TZ0
Command term Deduce Question number b(ii) Adapted from N/A
b(ii).
[Maximum mark: 1]
19N.2.hl.TZ0.3b(ii)

Propene is an important starting material for many products. The following shows some compounds which can be made from propene, C3H6.


Propene (C3H6) → C3H7Cl → C3H8O → C3H6O

An experiment was carried out to determine the order of reaction between one of the isomers of C3H7Cl and aqueous sodium hydroxide. The following results were obtained.

(b(ii))

Deduce the type of mechanism for the reaction of this isomer of C3H7Cl with aqueous sodium hydroxide.

[1]

Markscheme

SN2 ✔

NOTE: Accept ‘bimolecular nucleophilic substitution.’

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