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Preparation of Alcohols from Alkenes

An example of...

Question

An example of micelle is:

A

{A s}_{2} O_{3}

sol

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B

Ruby glass

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C

{N a}_{2} S O_{3}

solution

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D

Sodium stearate concentrated solution

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Solution

The correct option is D Sodium stearate concentrated solution
Long polymeric chain sodium stearate $C_{17} H_{35} C O O N a$ solution at a concentration above critical micelle concentration will form a micelle.

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Similar questions

Q. Molar conductivity

(Λ m)

of an aqueous solution of sodium stearate, which behaves as a strong electrolyte, is
recorded at varying concentrations (c) of sodium stearate. Which one of the following plots provides the
correct representation of micelle formation in the solution?
(critical micelle concentration (CMC) is marked with an arrow in the figures)

Q. Molar conductivity

(Λ m)

of an aqueous solution of sodium stearate, which behaves as a strong electrolyte, is
recorded at varying concentrations (c) of sodium stearate. Which one of the following plots provides the
correct representation of micelle formation in the solution?
(critical micelle concentration (CMC) is marked with an arrow in the figures)

(C_{17} H_{35} C O O N a)

solution becomes a colloidal sol at a concentration of

1.2 \times 10^{- 3} M

. On the average,

2.4 \times 10^{13}

colloidal particles are present in

1 {m m}^{3}

. What is the average number of stearate ions in one colloidal particle (micelle)?

(C_{17} H_{35} C O O N a)

solution becomes a colloidal sol at a concentration of

1.2 \times 10^{3} M

. On the average,

2.4 \times 10^{13}

colloidal particles are present in

1 m m^{3}

. What is the average number of stearate ions (in multiples of

10^{6}

) in one colloidal particle (micelle)?

Q. Assertion :The micelle formed by sodium stearate in water has

- {C O O}^{-}

groups at the surface. Reason: Surface tension of water is reduced by the addition of stearate.

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