| Date | November 2017 | Marks available | 1 | Reference code | 17N.1.hl.TZ0.23 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 23 | Adapted from | N/A |
Question
At 700 ºC, the equilibrium constant, Kc, for the reaction is 1.075 × 108.
2H2 (g) + S2 (g) \( \rightleftharpoons \) 2H2S (g)
Which relationship is always correct for the equilibrium at this temperature?
A. [H2S]2 < [H2]2 [S2]
B. [S2] = 2[H2S]
C. [H2S] < [S2]
D. [H2S]2 > [H2]2[S2]
Markscheme
D
Examiners report
[N/A]
