DP Chemistry (last assessment 2024)

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Question 18M.1.hl.TZ2.23

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.hl.TZ2.23
Level hl Paper 1 Time zone TZ2
Command term Deduce Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
18M.1.hl.TZ2.23

What occurs when the pressure on the given equilibrium is increased at constant temperature?

N2(g) + O2(g) ⇌ 2NO(g)     ΔH = +180 kJ

A.     Kc increases and the position of equilibrium moves to the right.

B.     Kc stays the same and the position of equilibrium is unchanged.

C.     Kc stays the same and the position of equilibrium moves to the left.

D.     Kc decreases and the position of equilibrium moves to the left.

[1]

Markscheme

B

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