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Select the correct statement from the following options.
- a)The soap micelle is unstable due to positive charge on its head
- b)The soap micelle is stable due to positive charge on its head
- c)The soap micelle is unstable due to negative charge on its head
- d)The soap micelle is stable due to negative charge on its head
Correct answer is option 'D'. Can you explain this answer?
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Select the correct statement from the following options.a)The soap mic...
The correct statement is option 'D': The soap micelle is stable due to negative charge on its head.
Explanation:
- The structure of a soap molecule consists of a long hydrocarbon chain and a polar head group.
- The hydrocarbon chain is nonpolar and hydrophobic (water-repelling), while the head group is polar and hydrophilic (water-attracting).
- When soap is added to water, the hydrophobic tails of the soap molecules aggregate together to form a structure called a micelle.
- The polar head groups of the soap molecules are oriented towards the exterior of the micelle, while the hydrophobic tails are shielded inside the micelle.
- The formation of micelles helps to solubilize and remove oily or greasy substances from surfaces.
- The stability of a soap micelle is primarily determined by the charge on its head group.
- Soap molecules are typically anionic, meaning they have a negative charge on their head group.
- This negative charge helps to stabilize the micelle by repelling other micelles and preventing them from coalescing or aggregating together.
- The repulsion between the negatively charged head groups keeps the micelles dispersed in the water, allowing them to effectively emulsify and remove oily substances.
- In contrast, if the soap micelle had a positive charge on its head group (option 'A'), it would be less stable.
- The positive charge would attract other micelles and promote their aggregation, leading to the formation of larger aggregates or precipitates that are less effective in solubilizing and removing oils.
- Therefore, the presence of a negative charge on the soap micelle's head group is essential for its stability and efficient cleaning action.
Explanation:
- The structure of a soap molecule consists of a long hydrocarbon chain and a polar head group.
- The hydrocarbon chain is nonpolar and hydrophobic (water-repelling), while the head group is polar and hydrophilic (water-attracting).
- When soap is added to water, the hydrophobic tails of the soap molecules aggregate together to form a structure called a micelle.
- The polar head groups of the soap molecules are oriented towards the exterior of the micelle, while the hydrophobic tails are shielded inside the micelle.
- The formation of micelles helps to solubilize and remove oily or greasy substances from surfaces.
- The stability of a soap micelle is primarily determined by the charge on its head group.
- Soap molecules are typically anionic, meaning they have a negative charge on their head group.
- This negative charge helps to stabilize the micelle by repelling other micelles and preventing them from coalescing or aggregating together.
- The repulsion between the negatively charged head groups keeps the micelles dispersed in the water, allowing them to effectively emulsify and remove oily substances.
- In contrast, if the soap micelle had a positive charge on its head group (option 'A'), it would be less stable.
- The positive charge would attract other micelles and promote their aggregation, leading to the formation of larger aggregates or precipitates that are less effective in solubilizing and removing oils.
- Therefore, the presence of a negative charge on the soap micelle's head group is essential for its stability and efficient cleaning action.
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Select the correct statement from the following options.a)The soap mic...
The soap micelle is stable due to the negative charge on its polar head. In the micelle formation, the water insoluble tails are directed towards the centre, and the water soluble heads are on the surface in contact with water.
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Select the correct statement from the following options.a)The soap micelle is unstable due to positive charge on its headb)The soap micelle is stable due to positive charge on its headc)The soap micelle is unstable due to negative charge on its headd)The soap micelle is stable due to negative charge on its headCorrect answer is option 'D'. Can you explain this answer?
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