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Solubility of Drugs Presentation by Mahewash A.Pathan

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Solubility of Drugs Presentation by Mahewash A.Pathan

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Questions and Answers

What is the concentration of a substance that dissolves in a given volume of solvent to form a homogenous solution?

Saturated solution

Supersaturated solution

Solubility (correct)

Solvent concentration

In a solution, what component is present in less amount compared to the solvent?

Solution

Saturated solution

Solute (correct)

Solvent

What type of interaction occurs between polar solvents like water and ethanol?

High dielectric constant

H-bond formation (correct)

Van der Waal's forces

Dipole interactions

Which type of solution contains more dissolved solute than it would normally contain?

Supersaturated solution (A) Signup and view all the answers

What expression is used to describe the parts of solvent required for one part of solute in very soluble solutions?

$10000$ (A) Signup and view all the answers

What type of forces are responsible for the solubility of non-polar solutes like fats and oils?

$CCL_4$ interactions (D) Signup and view all the answers

What is the Hildebrand solubility parameter formula?

δ = √△Hv - RT/Vm (D) Signup and view all the answers

What does a positive solvation energy indicate?

Endothermic dissolution (D) Signup and view all the answers

Which factor does NOT influence solubility?

pH (A) Signup and view all the answers

What is Henry's law related to in terms of solubility?

Solubility of gases in liquids (B) Signup and view all the answers

Which type of liquids are completely miscible?

Water + ethanol (C) Signup and view all the answers

What does the Hansen solubility parameter δt represent?

Interaction of a solute with the solvent (B) Signup and view all the answers

What does Raoult's Law state?

The partial pressure of each component in a solution is equal to the mole fraction of the component. (B) Signup and view all the answers

In ideal solutions, what is true about their behavior?

They obey Raoult's Law at all solute concentrations. (C) Signup and view all the answers

What type of solutions exhibit negative deviation from Raoult's Law?

Non-ideal solutions (C) Signup and view all the answers

What characterizes minimum boiling azeotropes?

+ve deviation from Raoult's Law (B) Signup and view all the answers

What is the Critical Solution Temperature (CST) related to?

Nernst's Distribution Law (B) Signup and view all the answers

According to Nernst's Distribution Law, what does the partition coefficient (K) represent?

Constant value for distribution between two immiscible solvents (D) Signup and view all the answers