Chemistry

Problem

Four independent gas-phase reactions are carried out at the same temperature. Their equilibrium constants are given below. I.

A_2 \rightleftharpoons 2A

K_p=7.6\times10^{-3}

II.

B \rightleftharpoons C

K_p=9.5

III.

D + E \rightleftharpoons F

K_p=3.4\times10^{2}

IV.

G \rightleftharpoons 2H

K_p=1.2\times10^{-8}

If each reaction is started with stoichiometric amounts of only reactants at the same total pressure, which reaction is expected to have the lowest percent yield of products at equilibrium? a) Reaction II b) Reaction I c) Reaction IV d) Reaction III

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