Identify which one is not a homo polymer from the list given below:

Polythene

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Nylon-6

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Teflon

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Nylon-6,6

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Solution

The correct option is D Nylon-6,6
A polymer derived from two or more different types of monomers is called hetero polymer.

Nylon-66 is a hetero polymer. It is made up of hexamethylene diamine $(N H_{2} (C H_{2})_{6} N H_{2})$ and adipic acid $(C O O H (C H_{2})_{4} C O O H)$ .

$n H O O C - (C H_{2})_{4} - C O O H + n H_{2} N - (C H_{2})_{6} - N H_{2} ⟶$

$[- O C - (C H_{2})_{4} - C O - N H - (C H_{2})_{6} - N H -]_{n} + 2 n H_{2} O$

Hence, the correct option is $D$ .

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Similar questions

L i s t - I

L i s t - I I

\begin{matrix} List-I & List-II (I) Hexamethylenediamine & A.Bakelite (I I) Phenol & B. Dacron (I I I) Phthalic acid & C. Glyptal (I V) Terephthalic acid & D. Melamine E. Nylon-6,6 \end{matrix}

Identify the polymer given below.

List I (Polymer)	List II (Polymerizing units)
$A . B a k e l i t e$	(i) Butadiene and styrene
$B . D a c r o n$	(ii) Phenol and methanal
$C . N y l o n - 6, 6$	(iii) 1, 2-dihydroxyethane and dimethylterephthalate
$D . B u n a - S$	(iv) Urea and methanol
	(v) 1,6-hexanedioic acid and 1,6-dimino hexane

6, 6

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