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Chapter 24: Problem 7

Triethylamine-water system is an example of (a) upper CST (b) lower CST (c) upper as well as lower CST (d) none of the above

Short Answer

Expert verified
The Triethylamine-water system falls under both upper and lower CST, i.e., option (c) is the correct answer.

Step by step solution

01

Understanding the Meaning of the Options

Each option represents a type of mixtures based on the Conjugate Salt Theory (CST): \n(a) Upper CST represents mixtures which have complete miscibility at high temperatures. \n(b) Lower CST represents mixtures which have complete miscibility at low temperatures. \n(c) A mixture with both upper and lower CST would have miscibility in all proportions at both high and low temperatures. \n(d) None of the above would mean that the Triethylamine-water system doesn't fall into any of the previous categories.
02

Referencing Given System

Triethylamine-water system is given as an example. Triethylamine is soluble in water at all temperatures. Therefore, it has miscibility in all proportions at both high and low temperatures.
03

Choosing the Correct Option

Since the Triethylamine-water system has miscibility at all proportions at both high and low temperatures, it falls under both upper and lower CST. Therefore, the correct option is (c) upper as well as lower CST.

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Most popular questions from this chapter

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