In systems of partially miscible liquids, the two equilibrium layers are___________________?
Show answer Hide answer
Answer: A. saturated solutions of each liquid
Explanation
In systems of partially miscible liquids, mixing them past their solubility limit produces two distinct equilibrium layers. Each of these liquid layers represents a saturated solution of one liquid dissolved inside the other. The composition of both equilibrium layers remains fixed at any given constant temperature. Partially miscible liquids dissolve in each other only up to specific concentration limits at room temperature. Phenol and water mixtures are classic examples of partially miscible liquid systems studied in physical chemistry. Elevating the temperature often increases mutual solubility until a critical solution temperature is reached.
Phase diagrams of partially miscible liquids help chemical engineers design liquid-liquid extraction processes. Understanding mutual solubility prevents phase separation issues in industrial solvent blending applications. Thermodynamic studies of binary liquid mixtures provide insights into intermolecular forces and solution behavior. Unsaturated solutions would dissolve completely into a single homogeneous phase without forming two separate layers. Normal solution terminology refers to concentration units rather than the equilibrium phase composition of layers. Claiming no layer formation takes place contradicts the definition of partially miscible liquid systems.
Related questions
Q1. Moving from left to right across a period, electronegativity will: _________?
Show answer Hide answer
Answer: A. increase
Moving from left to right across a periodic table period, the effective nuclear charge of atoms increases steadily. This stronger positive charge attracts bonding electron pairs more strongly toward the atomic nucleus. C...
Q2. Silicon dioxide (SiO2) crystal lattices feature each silicon atom coordinated with _____________ oxygen atoms?
Show answer Hide answer
Answer: A. 4
In a silicon dioxide crystal lattice, each silicon atom forms strong covalent bonds with oxygen. Every central silicon atom is coordinated precisely with four surrounding oxygen atoms in space. This arrangement creates a...
Q3. Solvent extraction with ether is employed to separate organic synthesis products from________________?
Show answer Hide answer
Answer: A. water
Solvent extraction with ether is employed to separate organic synthesis products from aqueous reaction mixtures. Ether is an organic solvent that is largely immiscible with water, forming two distinct liquid layers. Orga...
Q4. Matter is known to exist in how many distinct states?
Show answer Hide answer
Answer: B. Four
Matter is traditionally recognized to exist in four fundamental states based on thermal energy and structure. These four classical states include solids, liquids, gases, and high-energy plasma phases. Each state exhibits...
Q5. Water treatment facilities employ which coagulant for purification purposes_________________?
Show answer Hide answer
Answer: A. alum
Alum is widely utilized in municipal water treatment facilities as a primary chemical coagulant. It dissolves in water to form aluminum hydroxide flocs that trap suspended colloidal impurities. This coagulation process a...
Q6. Which of the following statements regarding the van der Waals equation (P + n2a / v2)(v – nb) = nRT is incorrect?
Show answer Hide answer
Answer: C. at high densities the equation reduces to the ideal gas law
At high pressures repulsive molecular volume forces dominate true behavior. Real gases diverge significantly from ideal assumptions under extreme conditions. The equation accounts for molecular volume and intermolecular...