Which one of the following compounds is used to obtain polymer teflon?
Difluoro ethane
Monofluoro ethane
Tetrafluoro ethene
None of the above
Bakelite is the condensation polymer of
C6H5OH and caprolactum
HCHO and phthalic acid
C6H5OH and HCHO
HCHO and ethylene glycol
Bisphenol and epichlorohydrin condensed in presence of NaOH forming
Resins
Rubber
Foam
Polyester
Natural rubber is a polymer of monomer isoprene. During polymerisaton
1, 4 addition takes place
1, 2 addition takes place
1,3 addition takes place
both double bonds are converted into single bond
A.
1, 4 addition takes place
Natural rubber is a linear polymers of isoprene and is also called as cis-1, 4-polysoprene. It is a linear 1, 4-polymer of isoprene (2-methyl-1,3-butadiene).