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Among the following, which surfactant wi...

Among the following, which surfactant will form micelles in aqueous solution at the lowest molar concentration at ambient conditions?
(a)`CH_(3)(CH_(2))_(15)N^(o+)(CH_(3))_(3)Br^(Θ)`
(b)`CH_(3)(CH_(2))_(11)OSO_(3)^(Θ)Na^(o+)`
(c)`CH_(3)(CH_(2))_(6)COO^(Θ)Na^(o+)`
(d)`CH_(3)(CH_(12))_(11)N^(o+)(CH_(3))_(3)Br^(Θ)`

A

`CH_(3)(CH_(2))_(15)N^(+)(CN_(3))_(3)Br^(-)`

B

`CH_(3)(CH_(2))_(11)OSO_(3)^(-) Na^(+)`

C

`CH_(3)(CH_(2))_(6)COO^(-)Na^(+)`

D

`CH_(3)(CH_(2))_(11)N^(+)(CN_(3))_(3)Br^(-)`

Text Solution

Verified by Experts

The correct Answer is:
A
Longer the hydrophobic part of the molecule easy will be the formation of micelle.
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