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Teflon - Halogen Derivatives
1. Teflon is plastic such as substance produced by the polymerisation of tetrafluoroethylene (CF2 = CF2).
2. Tetrafluoroethylene is made while chloroform is treated along with antimony trifluoride and hydrofluoric acid.
3. On polymerisation tetrafluoroethylene makes a plastic-like material that is called teflon.
4. Chemically Teflon is inert molecules. It is not influenced by hard acids and even by boiling aqua-regia. It is invariable at high temperatures. It is, thus, required for electrical insulation, creation of gasket materials and non-sticking frying pans.
The frequency corresponding to transition n= 2 to n =1 in hydrogen atom is: (1) 15.66 x 10 10 Hz (2) 24.66 x 10 14 Hz (3) 30.5
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The covalent bond produced by the unequal sharing of electrons among the two atoms is known as polar covalent bond.
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