DP Chemistry (last assessment 2024)

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Question 18N.1.sl.TZ0.20

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.sl.TZ0.20
Level sl Paper 1 Time zone TZ0
Command term Question number 20 Adapted from N/A
20.
[Maximum mark: 1]
18N.1.sl.TZ0.20

What is the order of increasing pH for the following solutions of the same concentration?

 

A.   HCl (aq) < NH3 (aq) < NaOH (aq) < CH3COOH (aq)

B.   CH3COOH (aq) < HCl (aq) < NH3 (aq) < NaOH (aq)

C.   HCl (aq) < CH3COOH (aq) < NH3 (aq) < NaOH (aq)

D.   NaOH (aq) < NH3 (aq) < CH3COOH (aq) < HCl (aq)

[1]

Markscheme

C

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