Choose the correct option(s) from the following:

Cellulose has only

a l p h a

-D-glucose units that are joined by glycosidic linkages

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Teflon is prepared by heating tetrafluoroethene in presence of a persulphate catalyst at high pressure

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Natural rubber is polyisoprene containing trans alkene units

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Nylon-6 has amide linkages

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Solution

The correct options are
B Teflon is prepared by heating tetrafluoroethene in presence of a persulphate catalyst at high pressure
D Nylon-6 has amide linkages
a) Cellulose has only $β$ -D-glucose units that are joined by glycosidic linkages.
b) Teflon is prepared by heating tetrafluoroethene in presence of a persulphate catalyst at high pressure.
c) Natural rubber is poly isoprene containing cis alkene units.
d) Nylon-6 has amide linkages

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