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Liquid phase exists for all compositions above _________ region.

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in Engineering Chemistry I by (506k points)
Liquid phase exists for all compositions above _________ region.

(a) Eutectic region

(b) Equilibrium region

(c) Isometric region

(d) Sublimation region

The question was asked in an online interview.

My doubt is from Gibb’s Phase Rule in portion Phase Rule of Engineering Chemistry I

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The correct option is (c) Isometric region

To elaborate: In a phase region above the eutectic point, both the solid and liquid phases exist together where the region is bi variant and this region is called isometric region. Here the region has 2 degrees of freedom.

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