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ChemistryMultiple correct+4 / -1Question 34 of 60

JEE Advanced 2013 · Paper 1, Chemistry question 34

Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is(are)

Choose one or more options
Answer and worked solution

Official answer: B, C, D

Ideal solution formation. ΔHmix=0\Delta H_\text{mix}=0, so no heat flows to the surroundings and ΔSsurr=0\Delta S_\text{surr}=0; mixing increases disorder, ΔSsys>0\Delta S_\text{sys}>0; it is spontaneous, so ΔG<0\Delta G<0.

(B), (C), (D)

Topics:Ideal and non-ideal solutionsGibbs energy and spontaneity
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