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Question

Chemistry Question on Equilibrium

For the reaction : H2(g)+I2(g)<=>2HI(g) {H2_{(g)} +I2_{(g)} <=> 2HI_{(g)}}, the standard free energy is ΔG>0\Delta G^{\circ} > 0. The equilibrium constant (K)(K) would be________.

A

K=0K=0

B

K>1K > 1

C

K=1K=1

D

K<1K < 1

Answer

K<1K < 1

Explanation

Solution

ΔG=RTlnK\Delta G^{\circ}=-RT\,lnK If lnK=velnK=-ve then only ΔG=+ve\Delta G^{\circ}=+ve (or >0> 0). Thus, K<1K < 1