Which statements regarding micellization and the CMC are true? I. A micellar sol
ID: 1032902 • Letter: W
Question
Which statements regarding micellization and the CMC are true?
I. A micellar solution is thermodynamically stable and forms spontaneously under appropriate conditions of temperature and concentration.
II. Mixed surfactant systems may have a lower CMC than any of the constituent surfactants.
III. For a homologous series, the CMC increases with increasing alkyl chain length
I only
III only
I and II
II and III
I, II, and III
a.I only
b.III only
c.I and II
d.II and III
e.I, II, and III
Explanation / Answer
Answer: e.
I. A micellar solution is thermodynamically stable and forms spontaneously under appropriate conditions of temperature and concentration.
II. Mixed surfactant systems may have a lower CMC than any of the constituent surfactants.
III. For a homologous series, the CMC increases with increasing alkyl chain length.
Above all the statements were correct regarding micellization and the CMC
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