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Cleansing Action of Soap

Read the give...

Question

Read the given statements carefully.
Statement I: A micelle is a cluster of hundreds of molecules of soap or detergents in their aqueous solution.
Statement II: Sodium soaps are soft and potassium soaps are hard.
Now, choose the correct option

A

Both the statements are correct

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B

Both the statements are incorrect

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C

Only statement-I is correct

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D

Only statement-II is correct

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Solution

The correct option is C Only statement-I is correct
A micelle is a cluster of hundreds of molecules of soap or detergents in their aqueous solution in which the hydrophobic tails are in the interior of the cluster and the ionic ends are on the surface of the cluster. Generally, potassium soaps are softer on the skin than sodium soaps.
Hence, the correct answer is option (c).

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