Engineering
Chemistry
Ideal Solution
Gibbs Free Energy Calculations and Third Law
First Law and Various Process
Question

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

 ΔSsurroundings = 0

 ΔH = 0

ΔG is positive

ΔSsystem is positive

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Solution

For ideal solution

 ΔHsolution = 0

 ΔSsolution = +ve

ΔGsolution = – ve

 ΔSsurrounding = 0

(As no heat exchange takes place)