1.

Write short note : Polytetrafluoroethene (Teflon).

Answer»

Solution :Preparation : Teflon is manufactured by heating tetrafluoroethene with a free radical or persulphate catalyst at high pressures.
`underset("fluoroethene")underset("Tetra")(nCF_(2)=CF_(2))overset("Catalyst")underset("High pressure")RARR underset("Teflon")([--CF_(2)-CF_(2)--]_(n))`
Properties : It is chemically inert.
It is resistant to ATTACK by corrosive reagents.
Uses : It is used in making oil seals and gaskets and also used for non-stick SURFACE COATED utensils.


Discussion

No Comment Found

Related InterviewSolutions