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NEET UG CHEMISTRY MCQ: POLYMERS

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Example of addition polymer is:

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Correct option: A

Buna-S

Option A (Buna-S) is correct because Buna-S is formed by the addition polymerization of butadiene and styrene.

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Arrange the following monomers in order of decreasing ability to undergo cationic polymerisation

\mathrm{I}\mathrm{.}\,\,\,\,\,\mathrm{N}{\mathrm{O}_2}{\mathrm{C}_6}{\mathrm{H}_5} - \mathrm{CH} = \mathrm{C}{\mathrm{H}_2}

\mathrm{II}\mathrm{.}\,\,\,\,\,\mathrm{C}{\mathrm{H}_2} = \mathrm{CH} - {\mathrm{C}_6}{\mathrm{H}_5}\mathrm{C}{\mathrm{H}_3}

\mathrm{III}\mathrm{.}\,\,\,\,\,\mathrm{C}{\mathrm{H}_2} = \mathrm{CH} - {\mathrm{C}_6}{\mathrm{H}_5}\mathrm{OC}{\mathrm{H}_3}

Thiokol is a Assertion: Vulcanisation of rubber increases its tensile strength.

Reason: Sulphur cross links are formed between poly-isoprene chains during vulcanisation. Select the correct statement. Which of the following type of forces are present in vulcanized rubber? Which of the following is not an example of addition polymer?