GATE XE concept:phase-rule PYQs & Answers

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.

Topic practice 2 questionsPage 1 of 1

A mixture of carbon-dioxide (CO₂), nitrogen (N₂) and oxygen (O₂) are introduced in a rigid and impermeable tank containing only liquid water (H₂O). Assume that the components are non-reacting and un-dissociated. The system is kept isolated till an equilibrium is achieved, where only two phases are present. The degrees-of-freedom of the equilibrium mixture, as obtained from the phase rule, is

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A closed system consists of a solution of liquid water and ethanol in equilibrium with its vapors. Using the Gibbs phase rule, the degree of freedom of the system is:

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GATE XE concept:phase-rule PYQs

How to practice concept:phase-rule

Question 92

Question 6