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Questions  >>  JEEMAIN and NEET  >>  Chemistry  >>  Polymers
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Q)

Given the polymers arrange them in the decreasing order of their inter molecular forces: A=Nylon 6,6 B = Buna-S and C=Polythene.

$\begin {array} {1 1} (a)\;A > C > B & \quad (b)\;B > C > A \\ (c)\;B < C < A & \quad (d)\;C < A < C \end {array}$

 

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A)
Elastomers- they have elastic character & have weak intermolecular forces. Eg natural rubber, Buna-S
Fibres- thay have strong hydrogen bond or dipole dipole interactions between polymers chain. Eg Nylon 66
Thermoplastics- they have intermolecular forces intermediate between Elastomers & fibers. Eg. polythene
Nylon 6,6 > Polythene > Buna-S
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