NEET UG CHEMISTRY MCQ: POLYMERS

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Assertion: Vulcanisation of rubber increases its tensile strength.

Reason: Sulphur cross links are formed between poly-isoprene chains during vulcanisation.

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Correct option: A

Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.

Option A (Both assertion and reason are correct statements, and reason is the correct explanation of the assertion) is correct because vulcanization increases tensile strength due to the formation of sulfur cross-links between the polyisoprene chains.

More Questions from POLYMERS

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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 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? Whether small molecules liberate in addition
polymerisation?