The correct statements among the following are:

a. Micelle formation by soap in an aqueous solution is possible at all temperatures
b. Micelle formation by soap in an aqueous solution occurs above a particular concentration
3. On dilution of soap solution micelles may revert to individual ions
4. Soap solution behaves like a normal strong electrolyte at all concentrations


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)