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Question

Chemistry Question on Solutions

For an ideal binary liquid mixture

A

ΔH(mix)=0;ΔS(mix)<0\Delta H_{(mix)}=0; \Delta S_{(mix)}<0

B

ΔS(mix)=0;ΔG(mix)<0\Delta S_{(mix)}=0; \Delta G_{(mix)}<0

C

ΔS(mix)=0;ΔG(mix)=0\Delta S_{(mix)}=0; \Delta G_{(mix)} = 0

D

ΔV(mix)=0;ΔG(mix)>0\Delta V_{(mix)}=0; \Delta G_{(mix)}> 0

Answer

ΔS(mix)=0;ΔG(mix)<0\Delta S_{(mix)}=0; \Delta G_{(mix)}<0

Explanation

Solution

For an ideal binary mixture,

ΔHmix=0⇒ΔVmix=0\Delta H_{mix} = 0 \Rightarrow \Delta V_{mix} = 0
ΔGmix<0⇒ΔSmix>0\Delta G_{mix} < 0 \Rightarrow \Delta S_{mix} > 0