DP Chemistry (last assessment 2024)

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Question 18N.1.sl.TZ0.24

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.sl.TZ0.24
Level sl Paper 1 Time zone TZ0
Command term Question number 24 Adapted from N/A
24.
[Maximum mark: 1]
18N.1.sl.TZ0.24

Which compounds cause the colour of acidified potassium manganate(VII) solution to change from purple to colourless?

I.    CH3CH2CH2CH2OH

II.   (CH3)3CCH2OH

III.  CH3CH2CH(OH)CH3

 

A.   I and II only

B.   I and III only

C.   II and III only

D.   I, II and III

[1]

Markscheme

D

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