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Question

Which temperature is related to micelle formation?

A
Critical temperature
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B
Inversion temperature
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C
Reduced temperature
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D
Kraft temperature
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Solution

The correct option is D Kraft temperature
a) Critical temperature (Tc) is a minimum temperature above which gas cannot be liquified, Tc = 8a27Rb

b) Inversion temperature (Ti) is the temperature at which Joule - Thomson effect changes sign, Ti=2×Tb

c) Reduced temperature (θ)
θ = TTc

d) Kraft temperature (Tk)
The formation of micelles takes place only above a particular temperature called Kraft temperature.

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