Which of the following is the first stage in | vedclass

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Question

(A) The preparation of viscose rayon involves several steps. The first stage is the steeping of cellulose (usually wood pulp) in a $17-20\%$ solution

Vedclass · Accepted Answer

Steeping of cellulose in $NaOH$ solution

Vedclass · Answer

(A) The preparation of viscose rayon involves several steps. The first stage is the steeping of cellulose (usually wood pulp) in a $17-20\%$ solution of $NaOH$ to form alkali cellulose. Step $1$: Steeping (Formation of alkali cellulose).Step $2$: Pressing.Step $3$: Shredding.Step $4$: Aging.Step $5$: Xanthation.Step $6$: Dissolving.Step $7$: Ripening.Therefore, the first stage is the treatment with $NaOH$.

Which of the following is the first stage in the preparation of viscose rayon?

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