Viscose rayon from cellulose (cellulose xanthate)

1. A.
   Cell–ONa
2. B.
   Cell–O–CS–S⁻Na⁺
3. C.
   Cell–O–CS₂Na
4. D.
   Cell–O–CS₂–

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1. A.
   $\mathrm{Cell - OH + NaOH}$
2. B.
   $\mathrm{Cell{-}O{-}\underset{\displaystyle S}{\underset{\|}{C}}{-}SNa + H_2O}$
3. C.
   $\mathrm{Cell{-}O{-}\underset{\displaystyle S}{\underset{\|}{C}}{-}SH + H_2O}$
4. D.
   $\mathrm{Cell{-}ONa + CS_2 \longrightarrow Cell{-}O{-}\underset{\displaystyle O}{\underset{\|}{C}}{-}S\,Na}$

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1. A.
   Styrene
2. B.
   Cellulose
3. C.
   Acrylamide
4. D.
   Bisphenol

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