Q.
Which of the following is correct for a solution showing positive deviations from Raoult's law?
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a
ΔV=+ve,ΔH=+ve
b
ΔV=-ve,ΔH=-ve
c
ΔV=+ve,ΔH=-ve
d
ΔV=-ve,ΔH=+ve
answer is A.
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Detailed Solution
ΔHmix>0, endothermic dissolution, heat is absorbed. ΔVmix>0, volume increased after dissolution
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