In the trinitrocellulose,each glucose unit co | vedclass

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(B) Cellulose is a polymer consisting of repeating glucose units with the general formula $[C_6H_7O_2(OH)_3]_n$.Each glucose unit in cellulose contain

Vedclass · Accepted Answer

$3$

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(B) Cellulose is a polymer consisting of repeating glucose units with the general formula $[C_6H_7O_2(OH)_3]_n$.Each glucose unit in cellulose contains $3$ hydroxyl $(-OH)$ groups.Trinitrocellulose is formed by the complete nitration of these $3$ hydroxyl groups,where the hydrogen atoms of the $-OH$ groups are replaced by nitro $(-NO_2)$ groups.Therefore,in the original glucose unit of cellulose,there are $3$ $-OH$ groups.

List-$I$ (Polymers)	List-$II$ (Commercial names)
$A$. Phenol-formaldehyde resin	$I$. Glyptal
$B$. Copolymer of $1,3$-butadiene and styrene	$II$. Novolac
$C$. Polyester of glycol and phthalic acid	$III$. Buna-$S$
$D$. Polyester of glycol and terephthalic acid	$IV$. Dacron

In the trinitrocellulose,each glucose unit contains how many $-OH$ groups?

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