5 moles of liquid X and 10 moles of liquid Y make a solution having a total vapour pressure 70 torr. The vapour pressure
The solution shows negative deviation correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Solutions
Solutions 1
The Solutions 1 category gathers detailed answer explanations for a range of problems. It helps learners see each step of the solution, reinforcing core concepts and offering clear guidance. Use it to review topics, practice problem‑solving, and verify your work.
Filter questions
If liquids A and B form an ideal solution, then what is the Gibbs free energy of mixing?
< 0 correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Solutions
Which of the following is true regarding azeotropes?
Azeotropic mixtures cannot be separated into their constituents by fractional distillation correct as per chemistry principle.
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Which of the following cannot form an azeotrope?
Benzene + Toluene correct as per chemistry principle.
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Which of the following is true regarding non-ideal solutions with negative deviation?
They form maximum boiling azeotropes correct as per chemistry principle.
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Which of the following is not an example of a non-ideal solution showing negative deviation?
Carbon tetrachloride + Toluene correct as per chemistry principle.
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Which of the following is an example of a non-ideal solution showing positive deviation?
Acetone + Carbon disulphide correct as per chemistry principle.
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Which of the following is false regarding Non-Ideal solutions?
ΔHₘᵢₓᵢₙg = 0 correct as per chemistry principle.
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Which of the following is not an example of an Ideal solution?
Ethyl alcohol + Water correct as per chemistry principle.
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Which of the following statements regarding Ideal solutions is false?
There will be some change in volume on mixing the components, i.e., ΔVₘᵢₓᵢₙg ≠ 0 correct as per chemistry principle.
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When I₂ is passed through KCL, KF and KBr solutions
None of the above correct as per chemistry principle.
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Following table represents the type of reactions of three metals with various solutions. Metallron(II) SulphateCopper(II
C > A > B correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Solutions
