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Which of the following solutes forms micelles in its aqueous solution when the concentration exceeds a certain value?
- a)Urea
- b)Dodecyl trimethyl ammonium chloride
- c)Pyridinium chloride
- d)Glucose
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following solutes forms micelles in its aqueous solution...
Micelle-Forming Solute in Aqueous Solution
Dodecyl trimethyl ammonium chloride is the solute that forms micelles in its aqueous solution when the concentration exceeds a certain value.
Explanation
Micelles are formed by surfactant molecules in a solution. Surfactants are molecules with both hydrophobic and hydrophilic properties. In an aqueous solution, surfactant molecules tend to aggregate in a specific orientation to form micelles, which are tiny spherical structures.
Dodecyl trimethyl ammonium chloride is a cationic surfactant with a hydrophobic tail and a positively charged hydrophilic head. When the concentration of dodecyl trimethyl ammonium chloride exceeds a certain value, the hydrophobic tails of the surfactant molecules begin to interact with each other, forming a core of hydrophobic tails. The positively charged hydrophilic heads of the surfactant molecules face outward, forming a shell around the hydrophobic core.
The formation of micelles allows the solubilization of hydrophobic molecules such as oils and fats in an aqueous solution. This property makes dodecyl trimethyl ammonium chloride useful in various applications such as cleaning agents, emulsifiers, and in drug delivery systems.
Conclusion
Dodecyl trimethyl ammonium chloride is the solute that forms micelles in its aqueous solution when the concentration exceeds a certain value. The formation of micelles allows for the solubilization of hydrophobic molecules in an aqueous solution, making this surfactant useful in various applications.
Dodecyl trimethyl ammonium chloride is the solute that forms micelles in its aqueous solution when the concentration exceeds a certain value.
Explanation
Micelles are formed by surfactant molecules in a solution. Surfactants are molecules with both hydrophobic and hydrophilic properties. In an aqueous solution, surfactant molecules tend to aggregate in a specific orientation to form micelles, which are tiny spherical structures.
Dodecyl trimethyl ammonium chloride is a cationic surfactant with a hydrophobic tail and a positively charged hydrophilic head. When the concentration of dodecyl trimethyl ammonium chloride exceeds a certain value, the hydrophobic tails of the surfactant molecules begin to interact with each other, forming a core of hydrophobic tails. The positively charged hydrophilic heads of the surfactant molecules face outward, forming a shell around the hydrophobic core.
The formation of micelles allows the solubilization of hydrophobic molecules such as oils and fats in an aqueous solution. This property makes dodecyl trimethyl ammonium chloride useful in various applications such as cleaning agents, emulsifiers, and in drug delivery systems.
Conclusion
Dodecyl trimethyl ammonium chloride is the solute that forms micelles in its aqueous solution when the concentration exceeds a certain value. The formation of micelles allows for the solubilization of hydrophobic molecules in an aqueous solution, making this surfactant useful in various applications.
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Community Answer
Which of the following solutes forms micelles in its aqueous solution...
Surfactant detergents, which have both hydrophobic and hydrophilic ends in their molecules, form micelles in their aqueous solutions at concentrations above their C.M.C (Critical Micelle Concentration). At any concentration below the C.M.C, they form true solutions.
Dodecyl trimethyl ammonium chloride is an example of surfactant (cationic surfactant), and hence it shows micelle formation.
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Which of the following solutes forms micelles in its aqueous solution when the concentration exceeds a certain value?a)Ureab)Dodecyl trimethyl ammonium chloridec)Pyridinium chlorided)GlucoseCorrect answer is option 'B'. Can you explain this answer?
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