(a) State two properties of carbon which leads to a very large number of carbon compounds.
(b) Why does micelle formation take place when soaps is added to water? Why are micelle not formed when soap is added to ethanol?
(i) The two properties of carbon which leads to large number of carbon compounds are:
1. Catenation: It is the important property of carbon to form bonds of carbon atoms which forms bonds with the other atoms resulting in the formation of large molecules.
2. Tetravalency of carbon atom: Due to the valency 4 of the carbon atom, it has capability of making bonds with four other carbon atoms or other elements.
(b) When soap is added to water, there is formation of micelle because soap molecule consists of two chains one is hydrophilic and other is hydrophobic chain. Hydrophilic chain has ionic end and hydrophobic chain repels water. They hydrophobic chain of soap dissolved in the dirt and oily particles and the ionic part is suspended in water.
Micelles are not formed when soap is added to ethane because the alkyl chain of the soap is soluble in ethanol and doesn’t forms micelles.
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